Drill's part has patent, can grind the drill's front cutting lip, point angle, lip relief angle, you also can control the centre spot at random instead of centre drill, escape of chips easily, drilling with a light heart.
Tap's part has patent that can grind tap's front cutting lip of 2-flute, 3-flute, 4-flute tap. Choosing can grind 5-flute.
Grinding Wheel: CBN Wheel For HSS Drill Bit / SD Wheel for Carbide Drill Bit.
Complex re-sharpener of screw tap & drill, one machine with two function, easy to use, economical price, with no skill requirement to grind.
With Taiwan diamond grinding wheel, long service life.
