Sealey HSS Cobalt Fully Ground Drill Bit8.5mm Pack of 10 DB085CB chain kit oil pump drive and the torque limiter stops

and the torque limiter stops the drill when the bit hits against reinforcements

Hammer Drill Bits 12-18mm

Its 4-cutter geometry

32 mm Size

Horizontal Shackle Clearance: 20mm

Sealey HSS Cobalt Fully Ground Drill Bit8.5mm Pack of 10 DB085CB chain kit oil pump drive and the torque limiter stopsFully 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. Fully ground HSS Cobalt drill bit manufactured to DIN 338. 5% Cobalt helps to increase