Fully ground HSS Cobalt drill bits 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 steel and stainless steel. Supplied in tough composite storage case.170pc HSS Cobalt Fully Ground Drill Bit Assortment Ø1-10mm• Fully ground HSS Cobalt drill bits 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.• Sizes from 1 to 10mm in 0.5mm increments.• Supplied in tough composite storage case.• Model No. DBS170CBModel No: DBS170CB:Brand: Sealey:Contents: 1PTDSEADBS170CB