tunneling expansion anchor bolt online manufacture

Product Description: The Expansion Shell Rock Bolt is made from high-quality steel, ensuring its durability and long-lasting performance. The bolt's thread type is metric, which is a standard thread type widely ... Read More

Expansion Shell For Railway Bridge Tunnel 1. Material: steel etc 2. Size: cnc machining, per drawing, per sample 3. Surface: polish, anodized, zinc plated, etc 4. Certification: ISO9001, SGS Product Name ... Read More

Product Description: As a professional manufacturer, we would like to provide you with Underground Mining Roof Support Expansion Shell. Not only that, our after-sale service is top-notch, and you can rest ... Read More

Product Description: The Expansion Shell mechanism of this rock bolt allows for easy installation and expansion in hard rock formations. This makes it ideal for use in mining and tunneling projects where hard ... Read More

Product Description: Features: Product Name: Expansion Shell Rock Bolt Material Sources: Casting Yield Strength: 400MPa Material: Steel Hardness: HRC38-48 Ultimate Load: 200kN Bolt And Nut Assembly Hexagon Head ... Read More

Product Description: The Expansion Shell Rock Bolt is a bolt and nut assembly that consists of a hexagon head bolt and a matching nut. The bolt and nut assembly is designed to be used with a metric thread, ... Read More

Product Description: Expansion Shell Rock Bolt is a kind of hexagon head bolts specifically designed for anchoring in rock and soil. It features a length of 50 to 1000mm, yield strength of 11.2 to 13.2KN, ... Read More

Product Description: Expansion Shell Rock Bolt Expansion Shell Rock Bolt is a type of expansion anchor designed to secure objects in hard rock surfaces. This product is highly suitable for use in mining, ... Read More

Product Description: Underground Mining Roof Support Expansion Shell As a professional manufacturer, we are pleased to provide our customers with Underground Mining Roof Support Expansion Shell. Not only are we ... Read More

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