Pro Grade High Speed Steel Titanium Step Drill Bit Set With Quick Change Quarter Inch Hex Shank Short Length For Hole Drilling 4 To 12 Mm And 4 To 20 Mm 3 Piece

Titanium-Coated HSS Step Drill Bit Set, Quick-Change Shank
✔️ 3-piece set: 5-step 4-12mm, 9-step 4-20mm, 10-step 3-12mm

This compact set features titanium-coated HSS step drills designed for fast, clean hole sizing in plastics, aluminum, and thin sheet metal. The quick-change 1/4-inch hex shank fits most impact drivers and drills for quick tool swaps on busy jobsites.

✅ Material: HSS 4341 with titanium coating for sharp, durable drills
✅ Shank: 1/4 in (6.35 mm) hex quick-change for fast tool swaps
✅ Step ranges: 5-step 4-12 mm; 9-step 4-20 mm; 10-step 3-12 mm
✅ Includes Oxford fabric storage bag in titanium color
✅ Not recommended for stainless steel or hardened metals

💡 What is a step drill bit used for in sheet metal and plastic work? A step drill bit is handy for quickly creating clean, graduated holes in thin materials. - handy for drilling in aluminum, plastic, and thin steel - Allows enlarging holes progressively without changing bits - Reduces workflow interruptions on panel fabrication and wiring tasks