Heavy Duty Step Drill Bit Set 5 Piece Industrial Grade Unibit Kit With 3 Flat Shank High Speed Steel Black Oxide For Drilling Stainless Steel Aluminum And Wood

Heavy Duty Step Drill Bit Set for Metal and Wood (5-Piece)
✔️ 5-pc HSS step drill set with 3-flat shank, 3/16"-1-3/8" (4.8-35 mm)

This 5-piece heavy duty step drill bit set is designed for drilling into stainless steel, aluminum, wood, and plastics. It’s ideal for metalworking, fabrication, shop projects, and DIY tasks in industrial settings.

✅ High-speed steel (HSS) with black oxide coating for long life and corrosion resistance
✅ Multi-sized step design from 3/16" to 1-3/8" (4.8-35 mm) for clean, precise holes
✅ SAE standard-compliant for universal drill chuck compatibility
✅ Ergonomic 3-flat shank for secure grip and efficient power transfer
✅ Includes essential sizes for metal, wood, and plastic drilling tasks

💡 What is a heavy duty step drill bit set used for in metalworking and woodworking applications?

This handy kit is designed to help you make varied holes quickly across materials. - step drill bit set for drilling multiple hole sizes in metal, wood, and plastics - HSS with black oxide for durability and corrosion resistance - 3-flat shank and SAE standard compatibility ensure a secure, reliable fit