M5-M20 Spiral Screw Tap Re-Sharpener Portable Tool Grinding Machine Screw Tap Grinders.

This machine is portable and can grind 2-edge, 3-edge and 4-edge taps. It can grind 5-edge taps.

It is a double-head grinding structure. The left side function can grind the entire front cutting surface and front cutting edge of straight flute taps and tip taps, as well as the front cutting surface of spiral taps; the right side is a unique profifiling structure that can grind spiral taps Spiral cutting groove.