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heavy duty hard rock drill bits
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Product Description: Expansion Shell Rock Bolt Expansion Shell Rock Bolt is a type of expansion anchor designed to secure objects in hard rock ...
2025-07-09 00:18:44
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Product Description: Expansion Shell Rock Bolt This Expansion Shell Rock Bolt is made of carbon steel, with a metric thread and a range of head sizes ...
2024-12-09 23:37:01
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Product Description: The expansion mechanism of the Expansion Shell Rock Bolt is what makes it unique. Unlike traditional bolts that rely on friction, ...
2024-12-10 00:28:25
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Product Description: The Expansion Shell Rock Bolt is a perfect solution for supporting structures in areas with hard rock formations. Its unique ...
2025-01-08 16:44:33
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Product Description: The Expansion Shell Rock Bolt is a three-leaf, expansion shell anchor bolt that is ideal for anchoring in rock, concrete, and ...
2024-12-10 00:28:25
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Product Description: As a professional manufacturer, we would like to provide you with Underground Mining Roof Support Expansion Shell. Not only that, ...
2024-12-09 23:34:00
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Product Description: The Expansion Anchor Bolt features a unique expansion shell structure that allows for secure and reliable support. Its innovative ...
2024-12-10 00:24:49
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...Rock Bolt Material Sources: Casting Yield Strength: ≥400MPa Material: Steel Hardness: HRC38-48 Ultimate Load: ≥200kN Bolt And Nut Assembly Hexagon ...
2025-07-09 00:18:44
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Product Description: The Expansion Shell Rock Bolt is designed with a three-leaf expansion shell, making it ideal for use in hard rock formations. It ...
2024-12-10 00:24:49
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Product Description: The Expansion Shell Rock Bolt is made from high-quality materials and has a hardness rating of HRC38-48, ensuring that it can ...
2025-01-08 16:44:33
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