25pc Cobalt Drill Bit Set
- Ultra hard 5% cobalt steel.
- Use on alloy & hardened steel, cast iron, titanium & stainless steel.
- Always use cooling agent.
- Sizes: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5,10, 10.5,11, 11.5,12, 12.5 & 13mm.