Sealey HSS Cobalt Fully Ground Drill Bit Ø11mm Pack of 5 DB110CBFully ground HSS Cobalt drill bit manufactured to DIN 338. 5% Cobalt gives increased heat hardness which helps extend the life of the drill bit. 135 Split point is self centring which helps to reduce thrust and aids an easier penetration. Efficient clog free swarf clearance. Suitable for drilling high carbon and stainless steel. High density case for safe storage. Specifications Detail Fully ground HSS Cobalt drill bit manufactured to DIN 338. Detail