Threaded cross bits (X bits) - Top-hammer drilling ...
SINODRILLS Threaded cross bits (X bits) Threaded cross bits or threaded X bits are usually used for very hard and abrasive rock formation. We offer the most comprehensive range of threaded cross bits shown as below: Thread sizes: R25, R28, R32, R35, R38, T38, T45, T51; Head diameters: 33mm ~ …
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