Four Spiral Flute Step Drill Bit Set, Three Piece, Thirty Four Sizes From One Eighth To Seven Eighths Inch, Tough High Speed Steel Unibit With Quarter Inch Hex Shank For Stainless Steel, Metal, Aluminum, Wood And Plastic, Delivers Clean Precise Holes

Four Spiral Flute Step Drill Bit Set - 3-Piece, 1/8-7/8 in
✔️ Three-piece kit with sizes 1/8-1/2, 1/4-3/4, 3/16-7/8 in

This three-piece set is designed for drilling clean, precise holes in metal sheets, stainless steel, aluminum, copper, plastic, and other thin materials. Comes in a blow-molded case for easy storage and transport.

✅ Precision-forged from premium high-speed steel (HSS) for wear resistance
✅ Four spiral cutting blades deliver smooth, vibration-free operation
✅ Dual shank design: 1/4" hex and 3/8" round for quick changes
✅ Laser-etched size markings and included blow-molded case for organization
✅ Sizes covered: 1/8-1/2, 1/4-3/4, 3/16-7/8 in; 3-piece kit for metal, stainless steel, aluminum, copper, plastic, wood

💡 What is a four-spiral flute step drill bit set best used for in metalworking?

This handy kit is ideal for making clean, stepped holes across a range of materials and with common drills. - Handy for drilling clean, stepped holes in metal, stainless steel, and aluminum - Reduces chatter and vibration thanks to four cutting blades - High-speed steel delivers long wear life under heat and friction - Dual shank design enables quick, secure bit changes on portable drills ✝️