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BOSCH CO21B 21-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

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Product details

Management number 223046988 Release Date 2026/05/09 List Price US$29.12 Model Number 223046988
Category

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 superior performance in stainless steel and can be used to drill cast iron, titanium and other hard or abrasive metals.

  • Cobalt M42 drill bit – 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
  • Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
  • High-heat resistant bits – withstand high-temperature applications for extended periods of time
  • Thick web-helix design – provides additional stability in tough applications.Case Type:Plastic
  • 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
UPC 000346594607
ASIN B07Q64LTFB
Model CO21B
Set Name 21-Piece Assorted Set
Brand Name Bosch
Shank Type 3-Flat
Unit Count 21.0 Count
Part Number CO21B
Point Style Split Point
Finish Types Stainless steel
Manufacturer BOSCH
Material Type Cobalt
Item Type Name Bosch CO21B 21 pc. Cobalt M42 Drill Bit Set
Tool Flute Type Spiral
Cutting Diameter 2 Inches
Number of Pieces 21
Included Components (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"
Cutting Angle String 135 Degrees
Warranty Description Product Defects Only
Surface Recommendation Cast Iron,Metal,Metals,Stainless Steel
Global Trade Identification Number 00000346594607

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