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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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Product Description<img src="//wm.cdn.cn86.cn/taianjiuzhou/2026/04/d47eee9531uexznq.jpg" class="magic-3" _src="//wm.cdn.cn86.cn/taianjiuzhou/2026/04/d47eee9531uexznq.jpg"/><img src="//wm.cdn.cn86.cn/taianjiuzhou/2026/04/ce8ccece57mjst7c.jpg" class="magic-5" _src="//wm.cdn.cn86.cn/taianjiuzhou/2026/04/ce8ccece57mjst7c.jpg"/><img src="//wm.cdn.cn86.cn/taianjiuzhou/2026/04/16ddd5c2877emfju.jpg" class="magic-7&...
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