Four Spiral Flute Cobalt Step Drill Bit Pro From Toolant 12 Step Size From Three Sixteenth To Seven Eighth Inch Impact Ready Unibit With One Quarter Inch Hex Shank For Metal Stainless Steel Aluminum And Plastic TiAlN Coated M35 Cobalt HSS Drill Bit

M35 cobalt step drill bit with TiAlN coating, 12 sizes
✔️ 12 step sizes from 3/16in to 7/8in with a 1/4in hex shank

This heavy-duty drill bit blends M35 cobalt HSS with TiAlN coating for higher hardness and speed. It's designed for drilling clean, stepped holes in metal sheets, stainless steel, aluminum, copper, wood, and plastics. The 12 sizes span from 3/16" to 7/8", and the hex shank fits standard drills and impact drivers.

✅ Four spiral flute design delivers faster, smoother cutting
✅ TiAlN coating boosts hardness and life on tough materials (89 HRC)
✅ M35 cobalt HSS provides reliability when drilling stainless steel and hard alloys
✅ 12 step sizes from 3/16" to 7/8" (4.76-22.23 mm)
✅ 1/4" hex shank fits standard drills and impact drivers
✅ Warranty: 100% refund or replacement if not satisfied; hex shank replacements available

💡 What is a cobalt step drill bit used for in metalworking? This handy tool helps create clean, stepped holes in a range of materials.

- handy for drilling through stainless steel, aluminum, copper, and steel sheets - TiAlN-coated M35 cobalt HSS increases wear resistance and speeds - compatible with 1/4in hex shanks in most drills and impact drivers - covers 3/16in to 7/8in sizes to reduce tool swaps