T51-102mm rock drill bit ballistic drill bits tungsten ...
Hard rock drilling T51-102mm thread bits top hammer button bits for sale: Material: Tungsten carbide tips and steel: Process: Forging: Model size: T51-102: Button type: Semi-ballistic: Rock formation: Hard rocks: Bit face: Drop center: Packaging: Wooden box or carton box: HS code: 8207199000
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