General description Sealey HSS Cobalt Fully Ground Drill Bit 8.5mm - Pack of 10 is designed for precision and durability. Manufactured to DIN 338 standards, these drill bits feature 5% cobalt content, which enhances heat hardness and extends their lifespan. The 135° split point design is self-centering, reducing thrust and facilitating easier penetration, making them ideal for drilling through high carbon and stainless steel. Technical specifications Model No.: DB085CB Size: Ø8.5mm Pack Quantity: 10 Manufactured to DIN 338 standards 5% Cobalt for increased heat hardness 135° Split point for self-centering Other information