Heavy Duty Step Drill Bit Set For DIY Lovers With 31 Sizes And 1 Quarter Inch Hex Shank HSS Titanium Coated Spiral Grooved Bits For Sheet Metal Aluminum And Wood By AIMLENTOOL 3 Piece Set

Heavy Duty Step Drill Bit Set with 31 Sizes and 1/4 Hex
✔️ 3-piece set with 31 hole sizes, titanium coated HSS, 1/4 hex shank

Heavy-duty step drill bit set designed to cut clean, stepped holes through metal, aluminum, wood, and plastic. Perfect for DIY projects, home garages, and light fabrication where multiple hole sizes are needed.

✅ 31 sizes: 13-step, 6-step, and 12-step options for broad coverage
✅ Titanium coating on HSS for longer life and heat resistance
✅ 1/4-inch hex shank fits most drills securely
✅ Two-flute spiral grooves for easier deburring and faster cutting
✅ 118° split point minimizes walking for accurate starts
✅ Suitable for metal, aluminum, brass, plastic, and wood

💡 What is a heavy-duty step drill bit set best used for in DIY metalworking and wood projects? This handy tool makes clean, stepped holes across multiple materials.

• handy for progressively drilling holes in sheet metal, aluminum, brass, steel, and plastic
• ideal for mounting holes and openings with varying diameters while deburring
• works with standard drills using a 1/4 in hex shank for a secure grip