Rock Drilling Tools R22, R25, R28, R32, R35,
Thread button bits could be with Rope thread R22, R25, R28, R32, R35, R38 and T thread, T38, T45, T51, GT60, ST58, ST68 etc. Main threaded button bits are: R22-32mm, R22-36mm, R22-38mm, R22-41mm;
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