Product Review

Bosch cobalt bits offer superior durability speed and selection for most metal drilling applications. Used for Heavy-Duty drilling in extremely hard or abrasive Materials. Best used for drilling into light gauge metal high carbon steel aluminum and ally steel cast iron and stainless steel.Features. Withstands high temperature applications for extended periods of time. Thick web design adds stability to bit in tough applications. Color - Metallic. Material - Cobalt. Size - 318 in.