MODEL: ZR-001N

DIAMETER: 4mm-120mm

B-grade diamond core drill bits for glass processing, conic shank, self-sharpen, drilling more than 4000pcs holes

Details: 

1. Bronze diamond glass drill bits are suit for all kinds of 4-19mm thickness glass;

2. Pls note: we s est that working speed 3000-3500rpm for Ø4-Ø42,2000-2500rpm for Ø45-Ø70 and 1000-1500rpm for Ø70-Ø100 is best.

3. During the working, pls ensure the drill bit is cooling by water from inner and outside. 

4. OEM is acceptable.