General description Sealey HSS Cobalt Fully Ground Drill Bit 10mm - Pack of 5 is designed for precision and durability. Manufactured to DIN 338 standards, these drill bits feature 5% cobalt content, enhancing heat hardness and extending their lifespan. The 135° split point design ensures self-centring, reducing thrust and facilitating easier penetration, making them ideal for drilling high carbon and stainless steel. Technical specifications Model No.: DB100CB Size: Ø10mm Pack Quantity: 5 Manufactured to DIN 338 5% Cobalt for increased heat hardness 135° Split point for self-centring Other information