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Power Tools for Professionals

21 pc. Cobalt M42 Drill Bit Set

CO21B

  • Cobalt bits with upgraded M42 alloy for long life in hard metal
  • Surface hardened with web-helix design and high heat resistance
  • Drills stainless steel, cast iron, titanium, other hard metals

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Benefits

provides upgraded M42 cobalt jobber-length bits designed for durability, high heat resistance and hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum

contains 8% cobalt alloy that delivers 10X life vs. standard bits

deliver better bit grip

withstand high-temperature applications for extended periods of time

provides additional stability in tough applications

penetrates tough abrasive materials

allow for easy starts with no skating, eliminating the need for a center punch

Technical Data

Specifications
Case Type Plastic
Description 21 pc. Cobalt M42 Drill Bit Set
Number of Pieces 21.0
Piece Count 21.0
Pieces 21.0
Includes (2) 1/16", (2) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64", (2) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (2) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"
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CO21B

Pinned

CO21B

Includes

(2) 1/16", (2) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64", (2) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (2) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Includes

(2) 1/16", (2) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64", (2) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (2) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Includes

(1) 1/16", (1) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 3/16", (1) 7/32", (1) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Includes

(1) 1/16", (1) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 3/16", (1) 7/32", (1) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Includes

(2) 1/16", (2) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64", (2) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (2) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Includes

(1) 1/16”, (1) 5/64”, (1) 3/32”, (1) 7/64”, (1) 1/8”, (1) 9/64”, (1) 5/32”, (1) 11/64”, (1) 3/16”, (1) 13/64”, (1) 7/32”, (1) 15/64”, (1) 1/4”, (1) 17/64”, (1) 9/32”, (1) 19/64”, (1) 5/16”, (1) 21/64”, (1) 11/32”, (1) 23/64”, (1) 3/8”, (1) 25/64”, (1) 13/32”, (1) 27/64”, (1) 7/16”, (1) 29/64”, (1) 15/32”, (1) 31/64”, (1) 1/2”

Other sizes

Description

14 pc. Cobalt M42 Drill Bit Set

Number of Pieces

14

Includes

(1) 1/16", (1) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 3/16", (1) 7/32", (1) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Case Type

Plastic

Description

21 pc. Cobalt Drill Bit Set

Number of Pieces

21

Includes

(2) 1/16", (2) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 11/64", (2) 3/16", (1) 13/64", (1) 7/32", (1) 15/64", (2) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Case Type

Plastic

Description

14 pc. Cobalt Drill Bit Set

Number of Pieces

14

Includes

(1) 1/16", (1) 5/64", (1) 3/32", (1) 7/64", (2) 1/8", (1) 9/64", (1) 5/32", (1) 3/16", (1) 7/32", (1) 1/4", (1) 5/16", (1) 3/8", (1) 1/2"

Case Type

Plastic

Description

29 pc. Metal Index Cobalt Drill Bit Set

Number of Pieces

29

Includes

(1) 1/16”, (1) 5/64”, (1) 3/32”, (1) 7/64”, (1) 1/8”, (1) 9/64”, (1) 5/32”, (1) 11/64”, (1) 3/16”, (1) 13/64”, (1) 7/32”, (1) 15/64”, (1) 1/4”, (1) 17/64”, (1) 9/32”, (1) 19/64”, (1) 5/16”, (1) 21/64”, (1) 11/32”, (1) 23/64”, (1) 3/8”, (1) 25/64”, (1) 13/32”, (1) 27/64”, (1) 7/16”, (1) 29/64”, (1) 15/32”, (1) 31/64”, (1) 1/2”

Case Type

Metal index

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1-877-BOSCH99 (1-877-267-2499)

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