3PCS HSS Step Drill Bit Set (3–20mm) – Metal & Wood Drilling Tools

Upgrade your drilling performance with this high-quality 3-piece HSS Step Drill Bit Set, designed for precision, durability, and smooth cutting.

Crafted from premium high-speed steel with a nitride black coating, these drill bits deliver clean, accurate holes while reducing heat and wear during use. The hex shank design helps prevent slipping, giving you better control and stability on every project.

Perfect for woodworking, metalworking, plastic, aluminum, and general DIY or professional repair tasks.

✔ Key Benefits:

• 3-piece versatile set (3–12mm, 4–12mm, 4–20mm)
• High-speed steel (HSS) for long-lasting durability
• Nitride black coating for heat and wear resistance
• Hex shank anti-slip design for better control
• Smooth step drilling with clear size markings
• Works on wood, metal, plastic, and aluminum

Whether you're a professional craftsman or a DIY enthusiast, this drill bit set gives you precision, speed, and reliability for every project.