HSS Jobber Drills 6.5mm COBALT (10) All held in Sturdy -

All held in Sturdy - Easy Carry Box with Handles

Alloys & Cast Iron

They are constructed for long life steel drilling

Plastics and Thin Metal

HSS Jobber Drills 6.5mm COBALT (10) All held in Sturdy -Cobalt HSS Jobber Drill 6. 5mm Pack of 10 Size: 6. 5mm 5% COBALT Suitable for drilling Steel, Alloys & Cast Iron Pack of 10 COBALT DRILL BITS: cobalt drill bits are made for the toughest of jobs. Cobalt drills are the preferred drill for harder materials such as stainless steel. They are the favored choice because they hold their rigidity and hardness better at higher temperatures than other HSS drill bits. They are constructed for long life steel