Dry diamond core drill bit for granite

The dry diamond core drill bit for granite is welded by high frequency, the core bit segment is turbo shape, which provide sharp and more longevity than electroplated and sintered core drill bits. Usually the length of this dry granite core drill bit is 10cm, and the height of its segments is 10mm.

The advantage of dry granite core drill bit:

1. Speedy cutting, long lifespan and no breaking of segments.

2. Vacuum brazed core body, cooling the core bit during cutting.

3. Threaded bit: M14,5/8"-11.

4. Export to America and Canada, quality approved.

5. Korea quality, 50% cheaper.