35mm stone dry diamond core drill bit for granite drilingl heat radiation M14 and 5/8"-11

The dry stone diamond core drill bit is vacuum brazed with diamond on shank body , the core drill coated with diamond are sharp and more longevity than electroplated core drills and sintered core drills. Usually the length of the core drill is 10cm and 7cm, and the height of its segments is 10mm, it is suitable for granite hole.

 

The shank body coated with vacuum brazed diamond to reduce heat during cutting.

ChinShine stone dry diamond core drill bits for granite hole drilling: 
1. stone dry diamond core drill bit with Speedy cutting, long lifespan and no drop of diamond. 
2. Sizes of adaptor for threaded bit: M14,M16, G1/2",5/8"-11. 
3. Stone dry diamond core drill bits 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 stone diamond core drill bits for other stone, like marble and sandstone, the formula is different from concrete core drill bits.
35mm stone dry diamond core drill bit with protect teeth for stone drill heat radiation M14 5/8"-11

The reasons to buy ChinShine Granite wet&dry diamond core drill bits:

ChinShine stone diamond core drill bits are of fast drilling speed and good quantity of drilling granite and marble holes.
ChinShine granite diamond core drill bits are of high performance in drilling difficult operating conditions, especially reinforced concrete which contains much steel bars or pebble stone .
ChinShine diamond core drill bits for granite and marble are of  stable and reliable quality.
ChinShine diamond core drill bits are of reasonable prices.

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