| Place of Origin |
Hunan China (Mainland) |
| Brand Name |
JS |
| Type |
Drill Bit |
| Machine Type |
Drilling Tool |
| Processing Type |
Forging |
mainly used for geological exploration, water conservancy and power ,engineering hydrological exploration and building. Our diamond drill bits are used for makeing holes inconcrete,reinforced concrete,brick wall,refractory marble and granite. Size Available: 1', 1 1/4", 1 1/2", 1 3/4", 2", 2 1/2", 3', 3 1/2", 5", 5 1/2", 6", 7", 8", 9", 10", 12", 14"...