Features

Bosch CO4156 Features

• Tough cobalt alloy delivers heat resistance up to 1100-degree Fahrenheit
• 135-degree split point starts on contact with no walking or skating and no center punch is required
• Bit can perform for extended periods of time in the most abrasive materials without failing due to the high heat levels
• Ability to penetrate exceptionally tough materials
• Overall bit hardness of 66-68 HRC from the cobalt formulation

Specifications

Bosch CO4156 Specifications

• Diameter: 29/64"
• Overall Length: 5-5/8"
• Shank Diameter: 29/64"

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