Titanium Coated Step Drill Bit For Metal With Double Cutting Blades And HSS Construction, Short Length Unibit From 1/4 In To 1-3/8 In, Pro Grade For Steel Aluminum Copper Plastic Wood, Multi Material Drilling, 10 Size Set By COMOWARE

Titanium-coated HSS Step Drill Bit Set Metal 1/4 to 1-3/8 in
✔️ 10-piece set: 1/4 to 1-3/8 in, titanium-coated HSS, dual-flute

This titanium-coated high-speed steel step drill bit set is built for multi-material drilling in metal fabrication, workshop maintenance, DIY projects, and assembly lines. It excels at making clean stepped holes in steel, aluminum, copper, plastic, and wood, with fast chip evacuation and minimal burr.

✅ HSS with titanium coating for long service life and corrosion resistance.
✅ Double cutting blades and two straight flutes for fast chip removal and smooth holes.
✅ Tri-flatted shank design for maximum grip and reduced slipping under high torque.
✅ 10-piece size range from 1/4" to 1-3/8" with laser-etched markings for quick size identification.
✅ Suitable for steel, aluminum, copper, plastic, and wood.

💡 What is a step drill bit set used for in metalworking and multi-material drilling? A handy, concise explanation for common setups: - Drills steel, aluminum, copper, plastic, and wood in one bit - Sizes holes progressively from 1/4 to 1-3/8 in without changing bits - Dual-flute design speeds cutting and evacuates chips efficiently - Tri-flatted shank ensures a tight grip in high-torque drills