CO14B Twist Drill Bit Set, 14-Piece, Cobalt

Name: CO14B Twist Drill Bit Set, 14-Piece, Cobalt
Brand: Bosch
SKU: 7573538-052303-32

Sku: 7573538-052303-32

$59.12

21 Available at SHIP TO STORE

Estimated Arrival On: 04/09/2026

Bosch cobalt M42 metal drill bits are engineered with upgraded M42 alloy, containing 8% cobalt. These hard-core cobalt bits deliver 10X life vs standard bits, are jobber length and withstand high-heat applications. The thick web-helix design delivers fast material removal and increased stability. Bits that are 1/8 in and larger feature a split point, bits 3/16 in and larger feature a three-flat shank, for better bit grip. These cobalt drill bits provide great performance in stainless steel and can be used to drill cast iron, titanium and other hard or abrasive metals.

High heat-resistant bits withstand high-temperature applications for extended periods of time
Hardened exterior made to provide durability in stainless steel, cast iron, titanium, light-gauge metal and aluminum
Thick web-helix design provides additional stability in tough applications
Surface-hardened tip penetrates tough abrasive materials
Split points on bits 1/8 in and larger allow for easy starts with no skating, eliminating the need for a center punch
Three-flat shank on bits 3/16 in and larger deliver better bit grip
Cobalt M42 drill bit provides upgraded M42 cobalt jobber length bits designed for durability
Enhanced M42 alloy material contains 8% cobalt alloy that delivers 10X life against standard bits

Specifications

Plastic Case

Material

Cobalt

Number of Pieces

Includes

(1) 1/16 in Drill Bit, (1) 5/64 in Drill Bit, (1) 3/32 in Drill Bit, (1) 7/64 in Drill Bit, (2) 1/8 in Drill Bits, (1) 9/64 in Drill Bit, (1) 5/32 in Drill Bit, (1) 3/16 in Drill Bit, (1) 7/32 in Drill Bit, (1) 1/4 in Drill Bit, (1) 5/16 in Drill Bit, (1) 3/8 in Drill Bit, (1) 1/2 in Drill Bit