These Faithfull Professional Cobalt Jobber Drill Bits are manufactured from M35 HSSE grade steel with a 5% cobalt content for increased heat resistance and cutting performance
All bits are fully ground and feature a 135ø non-slip split point for precise centring and are produced in accordance to DIN 388 for high precision tolerances and geometric accuracy
Cobalt bits cut faster and last longer and are suitable for heavy-duty industrial work in: Alloy steels, carbon steels, cast iron, hardened alloy steels, stainless steels, high temperature alloys, Titanium alloy, high strength steel and carbon fibre composite materials
Diameter: 4mm
Pack Size: 2
Product Code: FAIPP400COB