Five Piece HSS Spiral Step Drill Bit Set With Four Flutes And Nitride Coating For Heavy Duty Holes From One Eighth To One And Three Eighths Inch Including One Quarter Inch And Three Eighths Inch Shanks For Stainless Steel Copper Aluminum Wood And Plastic

Premium HSS Step Drill Bit Set for Heavy Drilling
✔️ Five HSS bits with nitride coating, four flutes, sizes 1/8" to 1-3/8", shanks in 1/4" and 3/8" for drilling stainless steel and more.

This 5-piece HSS step drill bit set is a handy tool for making precise stepped holes in tough materials like stainless steel, copper, aluminum, wood, and plastic. It's typically used by DIY enthusiasts, mechanics, and pros in home projects, auto work, and on-site jobs where reliable drilling is key.

✅ HSS material with nitride coating for tough wear resistance and long life.
✅ Four-flute design for smooth chip removal and reduced heat during drilling.
✅ Sizes include 1/8" to 1/2" (13 steps), 1/4" to 3/4" (9 steps), and up to 1-3/8" (19 steps) for versatile hole options.
✅ 1/4" and 3/8" hex shanks compatible with most drills, plus a storage case for easy organization.

💡 What makes HSS step drill bits ideal for drilling hard metals?
HSS step drill bits stand out for handling demanding tasks effectively.
- They resist heat and wear better than regular bits, keeping edges sharp longer
- Deliver clean, accurate holes in stainless steel and alloys without frequent replacements
- Work great for both pros and hobbyists tackling metal fabrication or repairs
- Offer faster drilling speeds, saving time on projects like automotive or electrical work