Drill bit grinder MR-13A

Drill bit grinder MR-13A

Portable idiot drill grinder, twist drill grinder, Universal small drill grinder, universal big drill grinder, universal precision drill sharpener, it is accurate and fast with easy operation.

1) Grinding is accurate and rapid, easy operation, with no skill requirement to grind easily.

2) Economical price that greatly reduces the cost and improves the use effect.

3) With diamond grinding wheel, it can be equipped directly with an accurate angle and long service life.

4) The electrically controlled and powerful DC motor: stable frequency, strong horsepower and long service life.

5) Bearing shaft and locking unit.

6) The machine is set up with the function of adjusting a point (central point) size, which can effectively coordinate with the material of drill hole and the rotation speed. It can control the quality precision and prolong the service life of the drill bit.

7) Independently researching and developing 13D can grind the drill bit front angle, back angle and front cutting lip(front angle), you also can control the centre spot at random instead of centre drill, escape of chips easily, drilling with a light heart.

Technical parameters:

Grinding range: ф3(2)-ф13(14)mm

Point angle: 90°-135°

Power: AC220V/180W

Speed: 5300RPM

Standard grinding wheel: CBN (for HSS drill)

Standard 11 collets : ф3, ф4, ф5, ф6, ф7, ф8, ф9, ф10, ф11, ф12, ф13

Optional collets: ф2,ф2.5, ф3.5, ф4.5, ф5.5, ф14

Optional grinding wheel:SDC (for carbide drill)

Dimension:  370×180×190mm

Net weight: 9kg

Gross weight: 10Kg