steel expansion shell rock bolt online manufacture

Product Description: As a professional manufacturer, we strongly recommend our Underground Mining Roof Support Expansion Shell. It is designed to be used as an independent or auxiliary roof support system in ... Read More

Expansion Shell 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 Manufacturer for Tunneling ... Read More

Product Description: Expansion Shell Rock Bolt is a reliable and secure fastening solution for hard rock drilling applications. The bolt and nut assembly features a length of 50-1000mm, a galvanized surface ... Read More

expansion shells assembly, left hand thread ,plug zinc elect+gold passivate expansion anchors are designed for anchoring into concrete, brick or block base material. inserting a machine-threaded bolt into the ... Read More

Product Description: Our expansion anchor bolt is manufactured in compliance with various industry standards, including DIN, ASTM, ANSI, GB, JIS, BSW, and others. This ensures that our product is of the highest ... Read More

Product Description: This Expansion Anchor has an ultimate load of at least 200kN, which makes it the perfect choice for use in heavy-duty applications. With a tensile strength of at least 500MPa, this bolt and ... Read More

Product Description: Expansion Shell Rock Bolt This product is a type of expansion anchor made from high-quality steel, designed for rock support in mining and tunneling applications. It is known for its strong ... Read More

Product Description: The Expansion Shell Rock Bolt is equipped with an expansion mechanism that is activated when the bolt is tightened. The expansion shell is designed to expand uniformly in all directions, ... 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 bolt features a metric thread type that ensures a strong and secure grip for the expansion anchor bolt. The metric thread is designed to provide a reliable connection between the bolt ... Read More