Heavy Duty Step Drill Bit Set For DIY With Spiral Double Fluted Titanium Nitride Coated Bits, Pro Grade Four Piece From Half Inch To One And Three Eighths Inch Sizes, Quarter Inch Shank, In Rugged Carry Case Klein Tools

Heavy Duty Step Drill Bit Set for DIY Projects
✔️ 4-piece set: 1/2 in, 3/4 in, 7/8 in, 1-3/8 in (12.7-34.92 mm) shanks

This heavy-duty step drill bit set is designed for quick, clean holes in metal, plastic, wood, and more. Each bit features dual spiral flutes for fast chip removal and smooth operation. The 1/4-inch hex shank fits securely in standard drills and impact drivers, while the titanium nitride coating helps dissipate heat for longer life. The set includes four commonly used sizes (1/2 in, 3/4 in, 7/8 in, 1-3/8 in) and comes in a rugged carry case with oil for lubrication.

✅ Sizes: 1/2 in (12.7 mm), 3/4 in (19.05 mm), 7/8 in (22.23 mm), 1-3/8 in (34.92 mm)
✅ Two spiral flutes per bit for fast cutting and chip removal
✅ Titanium nitride coating for heat dissipation and longer life
✅ 1/4 in hex shank fits drills and impact drivers
✅ Split point tip reduces wandering when starting holes
✅ Includes 1 oz oil bottle and rugged carry case

💡 What is a heavy-duty step drill bit set used for and how does titanium nitride coating help?

This handy kit is designed to help you make clean, precise holes in metal, plastic, and wood with less effort, especially on DIY projects and small fabrication tasks. - It covers four common sizes: 1/2 in, 3/4 in, 7/8 in, 1-3/8 in. - Titanium nitride coating reduces heat buildup for longer tool life. - The 1/4 in hex shank fits standard drills and impact drivers. - Dual spiral flutes improve cutting speed and chip evacuation.