| Place of Origin | Jiangsu, China |
| Brand Name | TONGYU |
| Model Number | TY9-3.1.1.1 |
| Type | Twist Drill Bit |
| Material | Tungsten Carbide |
| Use | Masonry Drilling |
Masonry Drill Bits, Sandblasted, Milled
1. Process: Milled
2. Material: 40Cr steel with YG8 Carbide Tip
3. Surface: Black and white
4. Good perfamance for masonry
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