Pro Grade Heavy Duty Cobalt Drill Bit Set With 29 Pieces M35 High Speed Steel Twist Drill Bits For Hardened Metals Stainless Steel Cast Iron And Wood Plastics In A Durable Metal Index Storage Box Sizes From One Sixteenth To One Half Inch

Premium M35 cobalt drill bit set, 29-piece, 1/16 to 1/2 in
✔️ 29-piece cobalt bits, 135° split point, storage box

This pro-grade cobalt drill bit set is designed to tackle hardened materials like stainless steel, cast iron, titanium alloys, hard plastics, and wood, making it a staple in metalworking and fabrication shops.

✅ M35 cobalt increases heat resistance for hard metals
✅ 135° split point for self-centering and quick starts
✅ Fully ground twist design for faster chip removal and cooler drilling
✅ 29-piece set covers 1/16" to 1/2" in 1/64" increments
✅ Durable metal index box for organized storage

💡 What is a cobalt drill bit set best used for when drilling hardened metals? These bits excel in high-hardness materials and heavy-duty metalworking tasks. - High heat resistance and hardness handle stainless steel and cast iron - 135-degree split point starts holes with precision - Fully ground twist design clears chips and reduces heat - Stored in a rugged metal index box for organization