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common specifications of drift rods

Release time:
2022/12/12 21:21
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The drifter rodsare generally used bya single piece which connect by threads with drill bits, couplings and shank adapters to form a drill string. Common specifications include H35, H32, H28, R32, TR35, SR32, R38, T38 with common lengths of 3090mm, 3700mm, 4305mm, 4915mm, 5525mm, 6400mm, etc.