Diamond Hole Saw Drill Bits for Glass Marble

Glass drill bits usually used in Glass, Marble, Ceramics,only needs to be installed on the ordinary drill or other professional drilling rig. It can be used first, 45 degree oblique drill positioning, then vertical drilling, the force should be slow, Control the drilling speed well, and must add water while working. Notice:Remember to add water while drilling, to improve work efficiency and prevent product burning