Osro Strap Rock Support
Product Overview
Osro Strap is an innovative rock support system designed for mining and tunneling applications. These high-strength wire mesh straps provide continuous strip support between rock bolts, effectively preventing rock fall-outs while maintaining rockmass integrity. With exceptional load distribution capabilities, Osro Straps offer superior surface confinement for loose rock formations between bolts.
Technical Specifications
Length | 2m / 5.5m / 6m/Customizable | ||
Width | 300mm/Customizable | ||
main rods diameter | 8mm /Customizable | ||
Auxiliary rod diameter | 6mm/Customizable | ||
Surface Treatment | Hot-dip galvanizing available/Customizable |
Typical Yield Strength | 400MPa | ||
Ultimate Strength | 500-700MPa |
Key Features & Advantages
✔ Superior Load Distribution - Longitudinal wire strands slip under load to distribute forces across multiple bolts
✔ Enhanced Safety - Prevents rock fall-outs between bolts and maintains structural stability
✔ Flexible Installation - Adapts to uneven surfaces with no drill-hole location restrictions
✔ High Strength-to-Weight Ratio - Lightweight yet offers 400MPa yield strength (500-700MPa ultimate strength)
✔ Versatile Applications - Compatible with shotcrete and Thin Sprayed Liners (TSLs) for comprehensive support
✔ Corrosion Resistant - Optional hot-dip galvanizing (AS/NZ4680 standard) for harsh environments
✔ Space-Efficient - Replaces bulky steel sheets and W-straps with more efficient solution
Installation Guidelines
Position strap against rock surface
Install rock bolts through wire apertures
Secure with washers/bearing plates to prevent pull-through
May be overlap-joined for extended coverage
Can be combined with shotcrete or TSLs for enhanced protection
In addition to standard sizes, we also offer in-depth customization services. We precisely adapt to national standards, meet diverse regulatory requirements, and create tailored solutions for unique application scenarios.
1. How to start an OEM order?
Send drawings or sample-Getting price-Payment-Make mold-Confirm sample-Mass production-Payment-Delivery.
2. What is your terms of payment?
We accept TT, L/C, Trade Assurance, Credit card, Western Union etc.
3. Could you customize the packing?
The logo, carton ans pallet can be customized.
4. How do you ensure product quality?
Better control from raw material, production, processing packing, storage until to shipment.And we passed the IS09001 quality management system certification.
5.What kind of payment term you use to ship the goods?
We support FOB, CIF, CFR, DDU, DDP etc, we got very rich experience shipping goods directly to customers plant.
6.After-sales.
Quick response day and night.