Four Spiral Flute TiAlN Coated Step Drill Bit Unibit 1/8 In To 1/2 In Wear Resistant Cobalt Drill Bit With 1/4 In Hex Shank For Metal Stainless Steel Aluminum Wood And Plastic

Coated four-flute step drill bit 1/8 to 1/2 in, hex shank
✔️ Four-flute TiAlN coated M35 cobalt HSS step drill with 1/4 in hex shank

This four-flute TiAlN coated step drill bit is designed for fast, clean holes in metal, stainless steel, aluminum, copper, wood, and plastic. It’s a go-to tool for drilling multiple hole sizes without changing bits, ideal for home repairs, cabinetry, and light fabrication.

✅ 13 step sizes: 1/8" (3.18 mm), 3/32" (2.38 mm), 3/16" (4.76 mm), 7/32" (5.56 mm), 1/4" (6.35 mm), 9/32" (7.15 mm), 5/16" (7.94 mm), 11/32" (8.73 mm), 3/8" (9.53 mm), 13/32" (10.32 mm), 7/16" (11.11 mm), 15/32" (11.91 mm), 1/2" (12.70 mm) (mm equivalents shown)
✅ TiAlN coating provides wear resistance and oxidation protection
✅ M35 cobalt HSS core delivers high red hardness for tough metals and alloys
✅ 1/4" hex shank fits standard drills for quick changes and broad compatibility

💡 What is a step drill bit best used for in metalworking and woodworking?

This handy tool makes multiple hole sizes with one bit, cutting down setup time. - Handy for drilling metal, wood, and plastic with varied diameters - Saves time by reducing tool changes during projects - TiAlN coating boosts heat resistance and tool life