3PCS Step Drill Bit Set 4-12/4-20/4-32mm HSS Titanium Coated Bits

• Widely Used: Drills through iron, copper and aluminum sheets (up to 3mm) plus wood, PVC and insulation board (up to 5mm). Note: not suitable for stainless steel, glass or tile - choose the right bit for the right material.
• Material & Durability: Made of high-speed steel (HSS) with a titanium coating that boosts cutting ability, resists heat and corrosion, and extends the life of every bit.
• Easy Cutting Design: The double-slot design delivers smoother cuts and precise hole sizes, while the stepped structure prevents over-drilling - clean holes every time.
• Versatile Scenarios: Perfect for home DIY, woodworking, plastic installation and electronic projects, from cabinet builds to cable pass-throughs and hobby crafts.
• Complete 3-Piece Set: Includes Bit #1 (4-12mm, 5 steps), Bit #2 (4-20mm, 9 steps) and Bit #3 (4-32mm, 15 steps) - all compatible with standard 1/4" hex drills for quick, tool-free changes.

Libenxue step drill bits set is perfect for DIY enthusiasts and professionals. It enables efficient drilling of holes in materials like iron plates, copper, aluminum, wood, and PVC sheets up to specific thicknesses. The high-speed steel with a titanium coating ensures durability and reliable performance over time. Its two-flute design provides smoother, cleaner cuts with precise depth control, making it a must-have tool for drilling projects. Suitable for a variety of applications, including woodworking and plastic fabrication, this set is ideal for both home and more extensive construction jobs. Package Include: 3-Piece Step Drill Bits: Bit #1 - 4-12mm, Bit #2 - 4-20mm, Bit #3 - 4-32mm.