39mm High Strength Grip Friction Split Set Rock Bolt with 100-110kN Tensile Load for Coal Mining Tunnel Support
Price:
$25.00/pieces 100-499 pieces
MOQ:
100 pieces
Delivery Time:
Negotiable
Brand:
Kelleg
Product Description
Product Overview
The 39mm High Strength Grip Friction Split Set Rock Bolt is an advanced friction-stabilized anchor system designed for coal mining tunnel arch support applications. This innovative solution provides full-length anchorage and active reinforcement of surrounding rock formations.
Technical Specifications
Anchor Rod Specifications
| Rod Diameter (mm) | Specification | Ultimate Tensile Load (kN) | Tensile Force of Ring (kN) | Cross Section Area (mm²) | Material | Recommended Drilling Hole Diameter (mm) |
|---|---|---|---|---|---|---|
| 33 | KFS33×2.5 | 100-110 | 75-80 | 214 | Q235/Q355 | 28-32 |
| 33 | KFS33×3.0 | 110-120 | 80-85 | 253 | Q235/Q355 | 28-32 |
| 39 | KFS39×2.5 | 100-110 | 80-95 | 251 | Q235/Q355 | 35-48 |
| 39 | KFS39×3.0 | 120-140 | 95-105 | 297 | Q235/Q355 | 35-48 |
| 43 | KFS43×2.5 | 115-130 | 90-105 | 283 | Q235/Q355 | 39-42 |
| 43 | KFS43×3.0 | 130-140 | 105-110 | 355 | Q235/Q355 | 39-42 |
| 46 | KFS46×2.5 | 120-140 | 100-110 | 299 | Q235/Q355 | 42-45 |
| 46 | KFS46×3.0 | 140-165 | 110-120 | 354 | Q235/Q355 | 42-45 |
Tray Specifications
| Rod Diameter (mm) | Specification | Length (mm) | Thickness (mm) | Bearing Capacity (kN) | Material | Weight (kg) |
|---|---|---|---|---|---|---|
| 33 | KFS33-150×150×4 | 150 | 4 | 70-80 | Q235/Q355 | 0.63 |
| 39 | KFS39-150×150×4 | 150 | 4 | 70-80 | Q235/Q355 | 0.62 |
| 43 | KFS43-150×150×6 | 150 | 6 | 80-90 | Q235/Q355 | 0.94 |
| 46 | KFS46-150×150×6 | 150 | 6 | 80-90 | Q235/Q355 | 0.94 |
Key Advantages
Simple installation process - just bump to finish
No anchoring agent required for operation
High friction coefficient between anchor and rock surface
Exceptional shear and tensile strength performance
Equipped with high-strength pallets for uniform force distribution
Provides immediate radial and axial support upon installation
Manufacturer Profile
Kelleg is a market-oriented enterprise specializing in geotechnical anchoring solutions, integrating R&D, design, procurement, sales, and customer service. Our professional teams provide comprehensive technical support including pre-sale consultation, product selection guidance, order management, and on-site technical assistance.
Frequently Asked Questions
Is there a minimum order quantity?
We generally have no minimum order quantity.
Do you have the inspection procedures?
100% strict inspection and testing for every order before packing.
How long is your delivery time?
1-3 days for products in stock; regular order delivery in 2-3 weeks.
After Services:
Our sales team responds within 24 hours (holidays excluded). Technical support available at any time. Free replacement provided for confirmed product quality failures.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Kelleg International Trade (Shanghai) Co., Ltd.