Screw: Tri-angle
1)Tri-angle threaded,Hexagon threaded,M10, M12, M14, M16, 1,2BSP ,1/2 male- M14 female connectors are available.
2)Sharp blade. High quality diamond Sharpness and wear resistance.
3)Small cutting resistance, smooth and tidy opening, no broken edges.
4)Large chip removal hole design. Unimpeded chip removal,More Smooth.