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Keywords [ 6 inch coal mining drill bit ] match 41 products.
Golden 5 Blade Polycrystalline Diamond Bit 75mm Oil Well Drill Head
| Size: | 8 1/2 Inch (215.9mm) |
|---|---|
| Type: | Core Drill Bit,Twist Drill Bit,BI-CENTER MILL,75mm 94mm Pdc Core Bit For Coal Mining |
| Color: | Golden |