5pcs diamond drill bits        Diameter: 20/35/40/50/68mm; Diamond Height: 10mm; Total Length: 60mm; Connection: M14 Thr...

• 5pcs diamond drill bits

        Diameter: 20/35/40/50/68mm; Diamond Height: 10mm; Total Length: 60mm; Connection: M14 Thread

Application: 

1. Drill Bit: Dry/wet drilling for porcelain tile, granite, marble, ceramic;

2. Aapter: M14 thread core bits can be fitted on hand drill or electric drill.

Feature: 

1. Vacuum brazed technology provide high efficient working performance

2. Fast and Smooth drilling,Long lifetime,Less Chipping,Minimizing any breakage 

3. Less loss of material,Less heat generation,Better finish quality 

4. Adapter: Good quality steel, long life, and Surface Nickel plating