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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 ...

China 60.3 mm drill pipe catalog of friction welding drill pipe 2 3/8" g grade with api 5dp, friction welding drill pipe/drill rod 2 3/8" with api 5dp provided by china manufacturerhebei shitan machinery manufacturing co., ltd., page1.

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 …

Down-the-hole bits we offer a comprehensive range of dth drill bits to match all conceivable applications. each bit is made from quality alloy steel, and has been precision machined to produce a perfect body, heat treated to the required hardness, given surface compression for fatigue resistance, and fitted with precision buttons manufactured ...

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