General description Sealey HSS Cobalt Fully Ground Drill Bit 11mm - Pack of 5 is designed for precision drilling in high carbon and stainless steel. Manufactured to DIN 338 standards, these drill bits feature a fully ground design and a 135° split point for self-centring, which reduces thrust and facilitates easier penetration. The inclusion of 5% cobalt enhances heat hardness, extending the life of the drill bits. They come in a high-density case for safe storage. Technical specifications Model No.: DB110CB Size: Ø11mm Pack Quantity: 5 Material: HSS Cobalt with 5% Cobalt content Manufactured to: DIN 338 Point Type: 135° Split point Other information