HSS Fully Ground Drill Bit Ø4mm Pack of 10

Fully ground HSS drill bit manufactured to DIN 338. 135° Split point is self-centring which helps to reduce thrust, friction and heat and aids an easier penetration. Efficient clog-free swarf clearance. Suitable for use with both hand and pillar drills, particularly on high carbon steels and copper. High-density case for safe storage.