Sealey DB055CB HSS Cobalt Fully Ground Drill Bit 5.5mm Pack of 10 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. 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. DB055CB Features Fully ground HSS Cobalt drill bit manufactured to DIN 338 5% Cobalt helps to increase life of drill bit 135° 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 DB055CB Specification Model No DB055CB Brand: Sealey Nett Weight: 0.15kg Pack Qty: 10 Size: 5.5mm What is included: 1 x Sealey DB055CB HSS Cobalt Fully Ground Drill Bit 5.5mm Pack of 10