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Designed for large-diameter blast hole drilling in quarries and open-pit non-coal mines, this 38mm hex drill rod features extended length options up to 5.0 meters.
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his hard rock drill rod is built for extreme abrasion and impact encountered in granite, basalt, and iron ore quarries. Featuring an R32 male thread with a tapered body design, it optimizes energy transfer from the rock drill to the bit.
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Specifically engineered for non-coal mining applications, this 22mm hex drill rod measures 1080mm in length for face drilling operations. The rod body undergoes deep-case carburizing and shot peening to maximize surface hardness while maintaining core toughness.
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This underground mining drill rod is manufactured from high-grade alloy steel with a hexagonal profile for efficient torque transmission. Designed specifically for non-coal underground operations, it delivers excellent fatigue resistance under high-frequency percussive drilling.
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High Quality 115mm T51 Thread Quarry Rock Button Drill Bit With 9 Button for Mining Drilling WorkSpecification115mm T51 retrachead diam115mm button size8pcs x14mm+4pcs x 14mm+ 2pcs x 12mmlength x width x height200mm x 116mm x 116mmpackage3 pcs per wooden caseWe mainly produce DTH hammers, high air pressure DTH bits, low air pressure DTH bits, threaded button bits, cold press tapered button bits, welded tapered button bits, tapered chisel bits and tapered cross bits. In addition, we are also...
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High Quality 115mm T51 Thread Button Bit With 9 Button for Drifting Tunneling Quarryingining<img src="//wm.cdn.cn86.cn/taianjiuzhou/2026/04/a669da8527hedphe.jpg" class="magic-7" _src="//wm.cdn.cn86.cn/taianjiuzhou/2026/04/a669da8527hedphe.jpg"/>Specification115mm T51 retrachead diam115mm button size8pcs x14mm+4pcs x 14mm+ 2pcs x 12mmlength x width x height200mm x 116mm x 116mmpackage3 pcs per wooden caseWe mainly produce DTH hammers, high air pressure DTH...
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