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Detailed Description:

The BOSCH CO14B 14-Piece Assorted Set comes with a convenient case and features Cobalt M42 metal drill bits that are made with an upgraded M42 alloy containing 8% cobalt. These durable bits have a 10x longer lifespan compared to standard bits and are designed for drilling applications in stainless steel, cast iron, titanium, and light-gauge metal. The jobber length bits are able to withstand high-heat applications and have a thick web-helix design for fast material removal and increased stability. The larger bits have a split point and a three-flat shank for better grip. These Cobalt drill bits offer superior performance in tough materials like stainless steel, cast iron, and titanium.


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
Surface-hardened tip – penetrates tough abrasive materials
Includes – 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2"