LEXPON PROFESSIONAL Step Drills Spiral Groove HSS Conical Drills with box metal drills sheet metal drills 6-60 mm.

• With a unique ladder structure it can open several holes.
• Compare with ordinary spiral drill it can also mill, lower.
• You can not open a beautiful hole with any bit.
• Suitable for pistol drill, bench drills.
• During the work of the step drill you pour water, can extend the lifetime effectively.

Specifications: Material: High-speed steel (HSS) 4241. Size: 6-60 mm. Shaft diameter: 13 mm. 12 Steps: (6, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60 mm). Product characteristics: 1. With unique ladder structure there can be multiple holes drilled. 2. Compared with standard twist drill bit, they can also mill and cut. 3. You cannot open a beautiful hole with any piercer. 4. Suitable for pistol drill, bench drills. Note: 1. During the work of the step drill you pour water, can extend the lifetime effectively. 2. The rotational speed of the drilling is recommended 250-400 rpm. 3. Suitable for use in hardness under 25° artifacts, the plate thickness under 5 mm. Box contents: 1 x Step Drill. 1xbox.