Top Notch 1 Pc Hss M35 Cobalt Step Drill Bit For Stainless Steel And Metal Heavy Duty Hole Saw Kit 4 To 20mm Spiral Groove Tri Hex Shank Fast Cuts

Cobalt Step Drill Bit M35 For Metal Holes 4 To 20mm Wide
✔️ HSS M35 Steel 4mm To 20mm Step Drill Tri Hex Shank Spiral Groove

You receive one step drill bit packaged separately for DIY and professional machine shop jobs requiring precision. It replaces multiple standard bits when you need different hole diameters without changing tools frequently. The cobalt mix keeps the edge stable even when cutting soft metals or hard stainless plates consistently.

✅ Constructed from M35 cobalt alloy for higher heat resistance during cutting
✅ Tapered shape creates smooth round openings ranging four to twenty mm
✅ Hexagonal shank prevents slipping inside the chuck while operating power tools
✅ Spiral flutes carry swarf away quickly to prevent clogging near hole entry

💡 Are step drill bits worth buying for small home repair tasks
It saves money on buying single sized hole saws down the road

• M35 steel offers durability compared to basic carbon steel alternatives
• You avoid damaging workpieces by needing fewer separate tools nearby