Sealey DB130CB HSS Cobalt Fully Ground Drill Bit 13mm Pack of 5 Fully ground HSS Cobalt drill bit manufactured to DIN 338. 5% Cobalt gives increased heat hardness which helps extend the life of the drill bit. 135ø 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. Fully ground HSS Cobalt drill bit manufactured to DIN 338 5% Cobalt helps to increase life of drill bit 135ø Split point is self-centring for easier penetration Efficient clog-free swarf clearance Suitable for drilling high carbon steel and stainless steel High density case for safe storage Model No DB130CB