Boltly 115 Piece Cobalt Steel Drill Bit Kit With Self Centering Tips For Tough Metal And Wood Includes Fractional Letter Wire Sizes In Durable Indexed Case Perfect For Any Serious Job

115 Piece Cobalt Steel Drill Bit Set For Metal And Wood Work
✔️ 135 Split Point Reduces Friction Drilling Wood Cast Iron And Plastic

This comprehensive collection offers precise hole making capabilities suitable for hobbyists or contractors managing daily repair assignments.

✅ Includes fractional letter and wire sizes covering almost every drilling requirement needed
✅ 135 degree split point ensures accurate hole placement without slipping or walking on surfaces
✅ Fully ground twist design minimizes heat and friction while improving cutting performance in metals

💡 Why Choose Cobalt Steel Drill Bits Over Titanium Coated Options For Metal Jobs

These high speed tools offer superior hardness retention during intensive operations.
- Retain cutting edge longer when working through stainless steel or hardened alloys
- Handle increased heat buildup during continuous operation without softening the metal
- Provide consistent accuracy throughout the lifespan compared to cheaper titanium options