Cobalt Drill Bit Set For Hardened Metal M35 Cobalt Steel HSS 20 Piece Jobber Length With Index Storage Case Five Percent Cobalt Twist Drill Bits Sizes One Sixteenth To One Half Inch

M35 Cobalt Drill Bit Set for Hardened Metals, 20-Pc
✔️ 5% cobalt HSS bits, M35 steel, 20-piece set, indexed case

These cobalt drill bits are crafted for tough metalworking tasks, delivering improved wear resistance and longer life. Perfect for professional shops and DIY projects that involve stainless steel, steel, and cast iron, with a compact indexed storage case to keep sizes organized and ready.

✅ 5% cobalt alloy (M35) delivers longer life and faster cutting
✅ Sizes range 1/16" to 1/2" in a 20-piece set
✅ 135° split point reduces walking and speeds drilling
✅ TiN coated surface for reduced friction and heat
✅ 3-flat shank minimizes slip in chuck
✅ Includes durable indexed storage case for quick size selection
✅ Not intended for glass or ceramic materials

💡 What is the best use of a M35 cobalt drill bit set in metalworking? This handy set is crafted to tackle hard metals with reliable performance.

- Works on stainless steel, steel, and cast iron for clean holes
- Use slower speeds and steady pressure to control heat
- Pick the correct size to minimize wandering and get precise holes
- Keep bits sharp and lubricated for longer life and better chip removal