100MM Length Diamond Core Drill Bits With Various Diameter For Stone With 5/8＂-11 Thread

The 100mm length core drill bit is brazed, it is for granite coring mostly. Usually the length of the core drill is 10cm, and the height of its segments is 10mm, it is suitable for stone hole.

ChinShine 100mm length diamond core drill bits for stone drilling: 
1. Speedy cutting, long lifespan and no drop of diamond. 
2. Sizes of adaptor for threaded bit: M14,M16, Gas 1/2",5/8"-11. 
3. Applicable for drilling small holes on various granite of different color and hardness.
4. We provide professional suggestions before and after sales for the users. 
5. We can also make wet core drill bits for other stone, like marble and sandstone, the formula is different from concrete core drill bits.

 

Advantage of 100MM Length Diamond core drill bit For granite stone Drilling:

1) High quality, smooth drilling, reduce the stone waste

2) Universal dry/wet drilling for granite, marble, sandstone, limestone, lavastone  etc..

3) Reasonably priced with excellent service and consistent quality.

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