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165mm bit for 6 inch hammer middle and high pressure dth hammer bit 6.5 inch drilling bits mission series , find complete details about 165mm bit for 6 inch hammer middle and high pressure dth hammer bit 6.5 inch drilling bits mission series,dth hammers and button bits,tricone roller three cone oil well drilling drag rock bit,tricone bit smith insert from …

Brief introduction of t51 top hammer drill bits: 1. application: this t51 top hammer drill bits for mining are widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc. 2. material: drill bits are made by high quality alloy steel bar and ...

Drill collar, drill pipe, kelly manufacturer / supplier in china, offering mini multi-function snow blower grass cutter, api gas drilling friction welding drill pipe drill tool 4 1/2" g105 or s135, api water well drilling friction welding drill tool 4 1/2" g105 or s135 and so on.

Wholesale: $62.16 / each qty add product attributes contents (9) masonry drill bits 5/32" x 4-1/2" bit, 3/16" x 4-1/2" bit, p2 insert bit, p3 insert bit, hex head allen wrench, sleeve, drill bit holder, 5/16" hex screw setter, 1/4" hex screw setter, brute tough case ... the bosch tc900 concrete screw drill bit set …

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OEM plastic drill pipe manufacturer with years's experience, from China.We mainly supply OEM plastic drill pipe with top quality and competitive price tag.we've got a professional OEM plastic drill pipe product designers.Our solution is by way of the national specialist certification.

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