Durable Spiral Flute Step Drill Bit Set, DIY Friendly, 4 Piece HSS Unibit Range From One Eighth To Five Eighths Inch, With One Quarter Inch Shank For Metal Aluminum Steel Wood Plastic Thinkwork

Durable Spiral Flute Step Drill Bit Set, 4-Piece HSS
✔️ 4-piece HSS spiral unibit, 1/8 to 5/8 in (3.175-15.875 mm), 1/4 in shank

This durable spiral flute step drill bit set is designed for metalworking, aluminum, steel, wood, and plastic. It's a handy tool for DIY projects and fits easily into a toolbox or pocket for quick hole-size changes.

✅ Material: HSS high-hardness steel for long life
✅ Size range: 1/8 to 5/8 in (3.175-15.875 mm)
✅ Shank size: 1/4 in (6.35 mm) for common tool compatibility
✅ Spiral flute design reduces deflection for cleaner holes
✅ Laser-engraved step sizes resist wear and stay legible

💡 What is a spiral flute drill bit set best used for in metalworking and DIY projects? This handy tool helps you make clean, size-specific holes quickly. - Handy for metalworking tasks needing precise hole sizes - Great for aluminum and thin steel without wandering - Useful for wood and plastic projects where clean holes are key