Titanium Nitride Coated HSS Step Drill Bit With One Quarter Inch Hex Shank Ten Imperial Step Sizes From One Quarter Inch To One And Three Eighths Inch Spiral Groove Double Flute 135 Degree Split Point For Sheet Metal Aluminum PVC Copper Acrylic NordWolf

Titanium Nitride HSS Step Drill Bit Set, 10 Imperial Sizes
✔️ 10 imperial steps from 1/4 in to 1-3/8 in, TiN coated HSS with 1/4 in hex shank, single

This compact step drill bit set uses a titanium nitride coating to increase wear resistance and heat tolerance. It is designed to drill sheet metal, aluminum, copper, acrylic, PVC, and other plastics, with a 1/4-inch hex shank for quick tool swaps on drills, drill presses, or impact drivers. It can drill metal plates up to 3-5 mm with a drill press, or 2.5 mm with standard drills.

✅ Titanium nitride coated HSS step drill with a 135° split point for fast self-centering
✅ Spiral groove, double flute design for easy chip removal and deburring
✅ 1/4 in hex shank for secure fit on drills, presses, and drivers
✅ Size range: 1/4 in to 1-3/8 in in 10 imperial steps (6.35-34.93 mm)

💡 What is a hand drill bit with imperial step sizes used for? Handy for quick hole sizing in metal, plastic, and wood.
- quick hole sizing in metal sheets and plastics
- handy drilling with 1/4 in hex shank tools and TiN-coated HSS
- long tool life and cooler operation due to TiN coating