- 6-60mm (12 steps: 6,10,15,20,25,30,35,40,45,50,55,60mm). Shank diameter: 13mm.

- Suitable for workpieces with hardness under 25° workpiece, such as carbon steel, sheet iron, insulation boards, PVC boards, planks, and wood. The workpiece thickness under 5mm

-  135 Split point tip and double fluted design for self-centering and deburring, Spiral groove helps to clear chips while drilling.

- Shaft type: Triangular; Shaft Diameter - 12 mm; Shaft length - 25mm

- For workpieces with a hardness below 25 °; 

- For materials such as metal, wood, aluminum alloys, plastic plates, insulating plates, etc