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Irwin Unibit 11101cb Cobalt Step Drill Bit,4-12mm,1mm Step

Irwin Unibit 11101cb Cobalt Step Drill Bit,4-12mm,1mm Step

Cobalt Step Drill Bit, Size 4mm To 12mm In., Shank Size 1/4 In., Number of Hole Sizes 9, Step Thickness 1mm

at Zoro

Irwin Industrial Tools 11101CB Unibit 1-mm 9-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 11101CB Unibit 1-mm 9-Steps Cobalt Step Drill Bit

This IRWIN Unibit #1 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute... ... more

Irwin Industrial Tools 11101CB Unibit 1-mm 9-Steps Cobalt Step Drill Bit

This IRWIN Unibit #1 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute...

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$64.17

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Irwin Industrial Tools 11101CB Unibit 1-mm 9-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 11101CB Unibit 1-mm 9-Steps Cobalt Step Drill Bit

This IRWIN Unibit #1 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute... ... more

Irwin Industrial Tools 11101CB Unibit 1-mm 9-Steps Cobalt Step Drill Bit

This IRWIN Unibit #1 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute...

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$27.03

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Irwin Industrial Tools 10232CB Unibit 1/16-Inch 6-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 10232CB Unibit 1/16-Inch 6-Steps Cobalt Step Drill Bit

This IRWIN Unibit #2 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute... ... more

Irwin Industrial Tools 10232CB Unibit 1/16-Inch 6-Steps Cobalt Step Drill Bit

This IRWIN Unibit #2 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute...

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$27.39

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Irwin Industrial Tools 10232CB Unibit 1/16-Inch 6-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 10232CB Unibit 1/16-Inch 6-Steps Cobalt Step Drill Bit

This IRWIN Unibit #2 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute... ... more

Irwin Industrial Tools 10232CB Unibit 1/16-Inch 6-Steps Cobalt Step Drill Bit

This IRWIN Unibit #2 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute...

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$27.65

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Irwin Industrial Tool Vg10225 4-Pc Unibit Step Drill Sets, As Shown

Irwin Industrial Tool Vg10225 4-Pc Unibit Step Drill Sets, As Shown

Features - Single-flute cutting edge for greater control through steps 3 Flatted shank prevents slipping in drill chuck Non-skid self-starting tip eliminates skidding and the need for center punching. 3 flatted shank Full lifetime Color: As Shown. ... more

Irwin Industrial Tool Vg10225 4-Pc Unibit Step Drill Sets, As Shown

Features - Single-flute cutting edge for greater control through steps 3 Flatted shank prevents slipping in drill chuck Non-skid self-starting tip eliminates skidding and the need for center punching. 3 flatted shank Full lifetime Color: As Shown.

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$139.00

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Unibit Step Drill Sets - 10502, As Shown

Unibit Step Drill Sets - 10502, As Shown

For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information. This Irwin Unibit High-Speed Steel Fractional Self-Starting Step Drill Bit Set features a single-flute cutting edge for... ... more

Unibit Step Drill Sets - 10502, As Shown

For updated, accurate country of origin data, it is recommended that you rely on product packaging or manufacturer information. This Irwin Unibit High-Speed Steel Fractional Self-Starting Step Drill Bit Set features a single-flute cutting edge for...

Jet.com

$45.44

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IRWIN VISE-GRIP 10228 4 Pc. Unibit Step Drill Set with #1T

IRWIN VISE-GRIP 10228 4 Pc. Unibit Step Drill Set with #1T

Single-flute cutting edge for greater control through steps 3 flatted shank prevents slipping in drill chuck Non-skid self-starting tip eliminates skidding and the need for center punching Set includes: HSS #1, 2, 3, plus #1T ... more

IRWIN VISE-GRIP 10228 4 Pc. Unibit Step Drill Set with #1T

Single-flute cutting edge for greater control through steps 3 flatted shank prevents slipping in drill chuck Non-skid self-starting tip eliminates skidding and the need for center punching Set includes: HSS #1, 2, 3, plus #1T

$118.48

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Milwaukee Step Drill Bit Kit (4-Piece)

Milwaukee Step Drill Bit Kit (4-Piece)

Free Shipping on Over 500K Items!

Milwaukee Step Drill Bits with Jam-free Performance are optimized for Cordless Drills in High Speed. Featuring a dual-flute design delivering up to 2X faster whole times, up to 4X longer life and up to 50% more holes per battery charge than the... ... more

Milwaukee Step Drill Bit Kit (4-Piece)

Milwaukee Step Drill Bits with Jam-free Performance are optimized for Cordless Drills in High Speed. Featuring a dual-flute design delivering up to 2X faster whole times, up to 4X longer life and up to 50% more holes per battery charge than the...

$156.25

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Cobalt Unibit, 3pc IRWIN VISE-GRIP 10502CB VSG LP

Cobalt Unibit, 3pc IRWIN VISE-GRIP 10502CB VSG LP

Single-flute cutting edge for greater control through steps 3 flatted shank prevents slipping in drill chuck Non-skid self-starting tip eliminates skidding and the need for center punching. 3-piece set includes HSS #1, 2, and 3 ... more

Cobalt Unibit, 3pc IRWIN VISE-GRIP 10502CB VSG LP

Single-flute cutting edge for greater control through steps 3 flatted shank prevents slipping in drill chuck Non-skid self-starting tip eliminates skidding and the need for center punching. 3-piece set includes HSS #1, 2, and 3

$128.05

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Milwaukee 3/16 in. - 7/8 in. x 1/16 in. #4 Step Drill Bit

Milwaukee 3/16 in. - 7/8 in. x 1/16 in. #4 Step Drill Bit

Free Shipping on Over 500K Items!

Milwaukee Step Drill Bits with JAM-FREE Performance are optimized for Cordless Drills in High Speed. Featuring a dual-flute design delivering up to 2X faster whole times, up to 4X longer life and up to 50% more holes per battery charge than the... ... more

Milwaukee 3/16 in. - 7/8 in. x 1/16 in. #4 Step Drill Bit

Milwaukee Step Drill Bits with JAM-FREE Performance are optimized for Cordless Drills in High Speed. Featuring a dual-flute design delivering up to 2X faster whole times, up to 4X longer life and up to 50% more holes per battery charge than the...

$38.97

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Irwin Industrial Tools 10234CB #4 Unibit 3/16- Inch - 7/8-Inch, 12-Steps Cobalt Step Drill Bit (1/16- Inch Steps)

Irwin Industrial Tools 10234CB #4 Unibit 3/16- Inch - 7/8-Inch, 12-Steps Cobalt Step Drill Bit (1/16- Inch Steps)

IRWIN Tools 10234CB Unibit Cobalt Sheet Metal Step Drill Bit offers 12 different hole sizes in one single bit, from 3/16" to 7/8" in increments of 1/16". Ideal for drilling true, round holes with a smooth, clean finish in a variety of materials like... ... more

Irwin Industrial Tools 10234CB #4 Unibit 3/16- Inch - 7/8-Inch, 12-Steps Cobalt Step Drill Bit (1/16- Inch Steps)

IRWIN Tools 10234CB Unibit Cobalt Sheet Metal Step Drill Bit offers 12 different hole sizes in one single bit, from 3/16" to 7/8" in increments of 1/16". Ideal for drilling true, round holes with a smooth, clean finish in a variety of materials like...

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$33.25

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Irwin Industrial Tools 10231CB Unibit 1/32-Inch 13-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 10231CB Unibit 1/32-Inch 13-Steps Cobalt Step Drill Bit

This IRWIN Unibit #1 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. Laser-marked sizes enable easy reading. The radial concave flute design helps ensure an effective use of drilling power. ... more

Irwin Industrial Tools 10231CB Unibit 1/32-Inch 13-Steps Cobalt Step Drill Bit

This IRWIN Unibit #1 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. Laser-marked sizes enable easy reading. The radial concave flute design helps ensure an effective use of drilling power.

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$15.74

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Irwin Industrial Tools 10220CB Unibit 1/16-Inch Hole Enlarging 8-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 10220CB Unibit 1/16-Inch Hole Enlarging 8-Steps Cobalt Step Drill Bit

114-MC06 Features: -Cutting Diam: 1/4 in. -Chuck Size: 3/8 in & 1/2 in. -Hole Diam: 1/4 in. -Packing Type: Carded. Number Of Bits: -1. Product Type: -Hammer Bits. Generic Specifications: -Chuck Type: 3 Jaw. Dimensions: Overall Product Weight: -0.12... ... more

Irwin Industrial Tools 10220CB Unibit 1/16-Inch Hole Enlarging 8-Steps Cobalt Step Drill Bit

114-MC06 Features: -Cutting Diam: 1/4 in. -Chuck Size: 3/8 in & 1/2 in. -Hole Diam: 1/4 in. -Packing Type: Carded. Number Of Bits: -1. Product Type: -Hammer Bits. Generic Specifications: -Chuck Type: 3 Jaw. Dimensions: Overall Product Weight: -0.12...

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$47.31

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Irwin Industrial Tools 11103CB Unibit 2-mm 7-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 11103CB Unibit 2-mm 7-Steps Cobalt Step Drill Bit

This IRWIN Unibit #3 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute... ... more

Irwin Industrial Tools 11103CB Unibit 2-mm 7-Steps Cobalt Step Drill Bit

This IRWIN Unibit #3 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute...

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$46.65

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Irwin Industrial Tools 11103CB Unibit 2-mm 7-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 11103CB Unibit 2-mm 7-Steps Cobalt Step Drill Bit

This IRWIN Unibit #3 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute... ... more

Irwin Industrial Tools 11103CB Unibit 2-mm 7-Steps Cobalt Step Drill Bit

This IRWIN Unibit #3 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute...

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$39.65

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Irwin Industrial Tools 10233CB Unibit 1/16-Inch 9-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 10233CB Unibit 1/16-Inch 9-Steps Cobalt Step Drill Bit

This IRWIN Unibit #3 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute... ... more

Irwin Industrial Tools 10233CB Unibit 1/16-Inch 9-Steps Cobalt Step Drill Bit

This IRWIN Unibit #3 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute...

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$35.46

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Irwin Industrial Tools 10233CB Unibit 1/16-Inch 9-Steps Cobalt Step Drill Bit

Irwin Industrial Tools 10233CB Unibit 1/16-Inch 9-Steps Cobalt Step Drill Bit

This IRWIN Unibit #3 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute... ... more

Irwin Industrial Tools 10233CB Unibit 1/16-Inch 9-Steps Cobalt Step Drill Bit

This IRWIN Unibit #3 Cobalt Step Drill Bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel. The SpeedPoint tip provides fast starts and features laser-marked sizes for easy reading. The radial concave flute...

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$28.46

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Irwin Tools Unibit #3 1/4-Inch to 3/4-Inch Step-Drill Bit, 3/8-Inch Shank (10233)

Irwin Tools Unibit #3 1/4-Inch to 3/4-Inch Step-Drill Bit, 3/8-Inch Shank (10233)

Unibit, 1/4" To 3/4" Step Drill, 9 Hole Sizes From 1/4" To 3/4" In 1/16" Increments, Maximum Material Thickness 1/8", 3 Flatted Shank, Shank Size 3/8", Single Fluted Cutting Edge Assures True Round Holes & Allows Greater Control, Carded. ... more

Irwin Tools Unibit #3 1/4-Inch to 3/4-Inch Step-Drill Bit, 3/8-Inch Shank (10233)

Unibit, 1/4" To 3/4" Step Drill, 9 Hole Sizes From 1/4" To 3/4" In 1/16" Increments, Maximum Material Thickness 1/8", 3 Flatted Shank, Shank Size 3/8", Single Fluted Cutting Edge Assures True Round Holes & Allows Greater Control, Carded.

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$24.54

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Irwin Tools Unibit #12 3/8-Inch Step-Drill Bit, 1/4-Inch Shank (10312)

Irwin Tools Unibit #12 3/8-Inch Step-Drill Bit, 1/4-Inch Shank (10312)

585-10312 Features: -New SpeedPointTM tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. -Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. -Ideal... ... more

Irwin Tools Unibit #12 3/8-Inch Step-Drill Bit, 1/4-Inch Shank (10312)

585-10312 Features: -New SpeedPointTM tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. -Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. -Ideal...

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$23.17

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Irwin Tools Unibit #12 3/8-Inch Step-Drill Bit, 1/4-Inch Shank (10312)

Irwin Tools Unibit #12 3/8-Inch Step-Drill Bit, 1/4-Inch Shank (10312)

585-10312 Features: -New SpeedPointTM tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. -Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. -Ideal... ... more

Irwin Tools Unibit #12 3/8-Inch Step-Drill Bit, 1/4-Inch Shank (10312)

585-10312 Features: -New SpeedPointTM tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. -Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. -Ideal...

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$20.73

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Irwin Tools Unibit #14 1-7/32-Inch Step-Drill Bit, 1/2-Inch Shank (10314)

Irwin Tools Unibit #14 1-7/32-Inch Step-Drill Bit, 1/2-Inch Shank (10314)

New SpeedPoint? tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration . Ideal for drilling holes in... ... more

Irwin Tools Unibit #14 1-7/32-Inch Step-Drill Bit, 1/2-Inch Shank (10314)

New SpeedPoint? tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration . Ideal for drilling holes in...

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$55.32

FREE shipping

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Irwin Tools Unibit #3 1/4-Inch to 3/4-Inch Step-Drill Bit, 3/8-Inch Shank (10233)

Irwin Tools Unibit #3 1/4-Inch to 3/4-Inch Step-Drill Bit, 3/8-Inch Shank (10233)

Unibit, 1/4" To 3/4" Step Drill, 9 Hole Sizes From 1/4" To 3/4" In 1/16" Increments, Maximum Material Thickness 1/8", 3 Flatted Shank, Shank Size 3/8", Single Fluted Cutting Edge Assures True Round Holes & Allows Greater Control, Carded. ... more

Irwin Tools Unibit #3 1/4-Inch to 3/4-Inch Step-Drill Bit, 3/8-Inch Shank (10233)

Unibit, 1/4" To 3/4" Step Drill, 9 Hole Sizes From 1/4" To 3/4" In 1/16" Increments, Maximum Material Thickness 1/8", 3 Flatted Shank, Shank Size 3/8", Single Fluted Cutting Edge Assures True Round Holes & Allows Greater Control, Carded.

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$24.91

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Irwin Tools Unibit #4 3/16-Inch to 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10234)

Irwin Tools Unibit #4 3/16-Inch to 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10234)

Irwin 10234 Unibit #4 12-Step High Speed Steel 3/8-inch Step Drill Bit, 1/16-inch Steps (3/16- to 7/8-inch) Save time by eliminating the need to change drills when drilling round holes in thin materials. Each smaller size drill also acts as a pilot for... ... more

Irwin Tools Unibit #4 3/16-Inch to 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10234)

Irwin 10234 Unibit #4 12-Step High Speed Steel 3/8-inch Step Drill Bit, 1/16-inch Steps (3/16- to 7/8-inch) Save time by eliminating the need to change drills when drilling round holes in thin materials. Each smaller size drill also acts as a pilot for...

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$21.98

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Irwin Tools Unibit #1 1/8-Inch to 1/2-Inch Step-Drill Bit, 1/4-Inch Shank (10231)

Irwin Tools Unibit #1 1/8-Inch to 1/2-Inch Step-Drill Bit, 1/4-Inch Shank (10231)

Irwin 10231 Unibit #1 13-Step 1/4-Inch Step Drill Bit, 1/32-inch Steps (1/8- to 1/2- inches) Save time by eliminating the need to change drills when drilling round holes in thin materials. Each smaller size drill also acts as a pilot for the next size.... ... more

Irwin Tools Unibit #1 1/8-Inch to 1/2-Inch Step-Drill Bit, 1/4-Inch Shank (10231)

Irwin 10231 Unibit #1 13-Step 1/4-Inch Step Drill Bit, 1/32-inch Steps (1/8- to 1/2- inches) Save time by eliminating the need to change drills when drilling round holes in thin materials. Each smaller size drill also acts as a pilot for the next size....

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$13.34

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Irwin Industrial Tools 10225 Unibit General Purpose Step Drill Bit Set, 4-Piece

Irwin Industrial Tools 10225 Unibit General Purpose Step Drill Bit Set, 4-Piece

The IRWIN Unibit High-Speed Steel Step Drill Set features single-flute cutting edges for greater control and more precise drilling. Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate... ... more

Irwin Industrial Tools 10225 Unibit General Purpose Step Drill Bit Set, 4-Piece

The IRWIN Unibit High-Speed Steel Step Drill Set features single-flute cutting edges for greater control and more precise drilling. Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate...

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$99.99

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Irwin Tools Unibit #14 1-7/32-Inch Step-Drill Bit, 1/2-Inch Shank (10314)

Irwin Tools Unibit #14 1-7/32-Inch Step-Drill Bit, 1/2-Inch Shank (10314)

New SpeedPoint? tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration . Ideal for drilling holes in... ... more

Irwin Tools Unibit #14 1-7/32-Inch Step-Drill Bit, 1/2-Inch Shank (10314)

New SpeedPoint? tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration . Ideal for drilling holes in...

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$59.26

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Irwin Industrial Tools 15502 Unibit 502T Titanium Nitride Coated Step Drill Bit Set with Nylon Pouch, 3-Piece

Irwin Industrial Tools 15502 Unibit 502T Titanium Nitride Coated Step Drill Bit Set with Nylon Pouch, 3-Piece

The IRWIN Unibit 3-Piece TiN Step Drill Set features drill bits with single-flute cutting edges for greater control through steps. The hex shank on the drill bits helps prevent slipping in the drill chuck. IRWIN Unibit step drill bits have a nonskid,... ... more

Irwin Industrial Tools 15502 Unibit 502T Titanium Nitride Coated Step Drill Bit Set with Nylon Pouch, 3-Piece

The IRWIN Unibit 3-Piece TiN Step Drill Set features drill bits with single-flute cutting edges for greater control through steps. The hex shank on the drill bits helps prevent slipping in the drill chuck. IRWIN Unibit step drill bits have a nonskid,...

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$47.51

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Irwin Industrial Tools 15502 Unibit 502T Titanium Nitride Coated Step Drill Bit Set with Nylon Pouch, 3-Piece

Irwin Industrial Tools 15502 Unibit 502T Titanium Nitride Coated Step Drill Bit Set with Nylon Pouch, 3-Piece

The IRWIN Unibit 3-Piece TiN Step Drill Set features drill bits with single-flute cutting edges for greater control through steps. The hex shank on the drill bits helps prevent slipping in the drill chuck. IRWIN Unibit step drill bits have a nonskid,... ... more

Irwin Industrial Tools 15502 Unibit 502T Titanium Nitride Coated Step Drill Bit Set with Nylon Pouch, 3-Piece

The IRWIN Unibit 3-Piece TiN Step Drill Set features drill bits with single-flute cutting edges for greater control through steps. The hex shank on the drill bits helps prevent slipping in the drill chuck. IRWIN Unibit step drill bits have a nonskid,...

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$47.51

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IRWIN Unibit High-Speed Steel Fractional Self-Starting Step-Drill #5, 10235

IRWIN Unibit High-Speed Steel Fractional Self-Starting Step-Drill #5, 10235

The IRWIN UNIBIT High-Speed Steel Fractional Self-Starting Step Drill #5, 1/4" - 1-3/8", is ideal for drilling clean, smooth holes in mild steel, copper, bass, aluminum, plexiglass, wood, and laminate. Crafted of high-speed steel, it has a SpeedPoint... ... more

IRWIN Unibit High-Speed Steel Fractional Self-Starting Step-Drill #5, 10235

The IRWIN UNIBIT High-Speed Steel Fractional Self-Starting Step Drill #5, 1/4" - 1-3/8", is ideal for drilling clean, smooth holes in mild steel, copper, bass, aluminum, plexiglass, wood, and laminate. Crafted of high-speed steel, it has a SpeedPoint...

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$47.79

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Irwin Tools Unibit #11 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10311)

Irwin Tools Unibit #11 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10311)

New SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. Ideal for drilling holes in... ... more

Irwin Tools Unibit #11 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10311)

New SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. Ideal for drilling holes in...

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$32.76

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Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)

Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)

This IRWIN Unibit #9 High-Speed Steel Fractional Self-Starting Step Drill Bit features a single-flute cutting edge for greater control through each of its 2 steps. The sharp SpeedPoint tip penetrates fast and helps prevent walking, while the hex shank... ... more

Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)

This IRWIN Unibit #9 High-Speed Steel Fractional Self-Starting Step Drill Bit features a single-flute cutting edge for greater control through each of its 2 steps. The sharp SpeedPoint tip penetrates fast and helps prevent walking, while the hex shank...

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$35.00

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Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Unibit Fractional Step Drills - Unibit Fractional Step Drills(sold individuall) ... more

Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Unibit Fractional Step Drills - Unibit Fractional Step Drills(sold individuall)

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$26.16

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Irwin Tools Unibit #11 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10311)

Irwin Tools Unibit #11 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10311)

New SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. Ideal for drilling holes in... ... more

Irwin Tools Unibit #11 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10311)

New SpeedPoint tip provides 6X faster initial penetration time than before, and eliminates the need for center punching. Single-fluted cutting edge assures true round holes, and allows greater control with less vibration. Ideal for drilling holes in...

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$29.45

FREE shipping

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Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Unibit Fractional Step Drills - Unibit Fractional Step Drills(sold individuall) ... more

Irwin Tools Unibit #20 9/16-Inch to 1-Inch Step-Drill Bit, 1/2-Inch Shank (10220)

Unibit Fractional Step Drills - Unibit Fractional Step Drills(sold individuall)

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$26.00

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Irwin 11102 Unibit2M 4-Millimeter to 12-Millimeter by 1/4-Inch Shank Step Drill Bit

Irwin 11102 Unibit2M 4-Millimeter to 12-Millimeter by 1/4-Inch Shank Step Drill Bit

The IRWIN Unibit #2M High-Speed Steel Metric Hole-Enlarging Step Drill Bit is ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates. Each drill bit uses a single-flute cutting edge that... ... more

Irwin 11102 Unibit2M 4-Millimeter to 12-Millimeter by 1/4-Inch Shank Step Drill Bit

The IRWIN Unibit #2M High-Speed Steel Metric Hole-Enlarging Step Drill Bit is ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates. Each drill bit uses a single-flute cutting edge that...

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$15.95

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Irwin Industrial Tools 10225 Unibit General Purpose Step Drill Bit Set, 4-Piece

Irwin Industrial Tools 10225 Unibit General Purpose Step Drill Bit Set, 4-Piece

The IRWIN Unibit High-Speed Steel Step Drill Set features single-flute cutting edges for greater control and more precise drilling. Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate... ... more

Irwin Industrial Tools 10225 Unibit General Purpose Step Drill Bit Set, 4-Piece

The IRWIN Unibit High-Speed Steel Step Drill Set features single-flute cutting edges for greater control and more precise drilling. Three-flatted shanks prevent the bits from slipping in the drill while the non-skid self-starting tips eliminate...

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$104.07

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KLEIN TOOLS 59029 Unibit Step-Drill Bit 5mm to 29mm

KLEIN TOOLS 59029 Unibit Step-Drill Bit 5mm to 29mm

These are brand new and bulk packed with no manufactuer packing. Single-fluted design eliminates skidding and makes for easier resharpening. Laser-etched hole sizes are easy-to-read and permanent. Anti-skid tip eliminates the need for center punching... ... more

KLEIN TOOLS 59029 Unibit Step-Drill Bit 5mm to 29mm

These are brand new and bulk packed with no manufactuer packing. Single-fluted design eliminates skidding and makes for easier resharpening. Laser-etched hole sizes are easy-to-read and permanent. Anti-skid tip eliminates the need for center punching...

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$25.00

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5 PC HSS Cobalt Step Drill Bits Set Metric Sizes Bits ,Shank 1/4", 5/16", 3/8"

5 PC HSS Cobalt Step Drill Bits Set Metric Sizes Bits ,Shank 1/4", 5/16", 3/8"

High Speed Steel, Cobalt Coated ; Tri-flat shank for sure grip ; Storage in Aluminum Carry Case ; Include Sizes: 1 PC--1/4" Shank--5 Steps: 4mm, 6mm, 8mm, 10mm, 12mm ; 1 PC--1/4" Shank--9 Steps: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm ; 1... ... more

5 PC HSS Cobalt Step Drill Bits Set Metric Sizes Bits ,Shank 1/4", 5/16", 3/8"

High Speed Steel, Cobalt Coated ; Tri-flat shank for sure grip ; Storage in Aluminum Carry Case ; Include Sizes: 1 PC--1/4" Shank--5 Steps: 4mm, 6mm, 8mm, 10mm, 12mm ; 1 PC--1/4" Shank--9 Steps: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm ; 1...

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$27.99

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Irwin 15103 Unibit3T Titanium Nitride Coated 1/4-Inch to 3/4-Inch by 3/8-Inch Shank Step Drill Bit

Irwin 15103 Unibit3T Titanium Nitride Coated 1/4-Inch to 3/4-Inch by 3/8-Inch Shank Step Drill Bit

Unibit 15103 Specifications:Description: 1/4" - 3/4"Hole Sizes: 1/8" Number of Holes: 9 steps Unibit 15103 Features:Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates Single-flute... ... more

Irwin 15103 Unibit3T Titanium Nitride Coated 1/4-Inch to 3/4-Inch by 3/8-Inch Shank Step Drill Bit

Unibit 15103 Specifications:Description: 1/4" - 3/4"Hole Sizes: 1/8" Number of Holes: 9 steps Unibit 15103 Features:Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates Single-flute...

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$49.50

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Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)

Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)

This IRWIN Unibit #9 High-Speed Steel Fractional Self-Starting Step Drill Bit features a single-flute cutting edge for greater control through each of its 2 steps. The sharp SpeedPoint tip penetrates fast and helps prevent walking, while the hex shank... ... more

Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)

This IRWIN Unibit #9 High-Speed Steel Fractional Self-Starting Step Drill Bit features a single-flute cutting edge for greater control through each of its 2 steps. The sharp SpeedPoint tip penetrates fast and helps prevent walking, while the hex shank...

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$37.66

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