Diamond set countersink bit 1)For glass chamfering 2)With diameter 5-100mm 3)Long service life 4)Good balance

 Diamond set countersink bit

1.Description: countersink.

2.Diameter:5mm and above.

3.Raw material:Europe imported emery.

4.It is used on drill bits for chamfering glass.

5.Factroy outlet product,save your cost.

6.Good balance,long service life.

7.OEM is welcome

diamond set countersink bit