Our stone diamond core drilling bits are used for drilling all kinds of stones, refractory materials, etc.

stone diamond core drill bit

1, Used for : refractory materials and other hard stones

2,Size: 8mm--200mm.M14,5/8"-11 Connection

3,Feture:fast cutting and long life

4,MOQ:50pcs

5,Payment : L/C

6,Packing : White carton

7,Delivery time : normally 20 days

8,Delivery port: Tianjin