General description Sealey HSS Cobalt Fully Ground Drill Bit 12mm - Pack of 5 is designed for high-performance drilling in tough materials. Manufactured to DIN 338 standards, these drill bits feature a fully ground design and are made with 5% cobalt, enhancing their heat hardness and extending their lifespan. The 135° split point design is self-centering, which reduces thrust and facilitates easier penetration, making them ideal for drilling high carbon and stainless steel. Technical specifications Model No.: DB120CB Size: Ø12mm Pack Quantity: 5 Manufactured to DIN 338 standards 5% Cobalt content for increased heat hardness 135° Split point for self-centering Other information