Fiber Reinforced Composite Bolts
Fiber Reinforced Composite Bolts
Pultruded full-thread composite bolts in left- and right-handed configurations, made from basalt and glass fibre with structural resin matrices. Engineered for coal-mine roadways, tunnel works, slope support and ground anchoring where steel bolts would corrode, slow the cutter or risk sparking.
Features
Lightweight and high-strength, with faster install cycles than steel equivalents
Large anchoring force with proven mechanical performance
Shearer-cuttable without sparking, keeping continuous coal extraction moving
Strong corrosion resistance in wet, acidic and saline ground conditions
Removes the cleanup and tool wear associated with metal bolt cuttings
Specifications
| Tensile strength | 600 – 1,000 | MPa |
| Shear strength | ≥ 100 | MPa |
| Flame retardant | Yes | |
| Antistatic | Yes | |
| Torque and thread bearing capacity | Customisable to specification |
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