39mm Split Set Bolts for Mining Tunnel Support - 120-140 kN Tensile Load Friction Stabilizer Anchors
Split Set Bolts are advanced friction stabilization anchors designed for underground mining and tunnel support applications. These high-strength rock bolts provide immediate radial pressure along the entire borehole length, preventing rock slippage and ensuring structural stability.
| 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 |
| 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 |
- Simple installation - just bump to finish
- No anchoring agent required
- High friction between anchor and rock
- Excellent shear and tensile strength
- High-strength pallets with uniform force distribution
- Provides immediate radial and axial support
Kelleg is a market-oriented enterprise specializing in geotechnical anchoring solutions. We integrate R&D, design, procurement, sales, and customer service to provide comprehensive system solutions, product supply, and technical support for mining and tunneling applications.
Q: Is there a minimum order quantity?
A: We generally have no minimum order quantity.
Q: Do you have inspection procedures?
A: 100% strict inspection and testing for every order before packing.
Q: How long is your delivery time?
A: 1-3 days for products in stock; regular order delivery in 2-3 weeks.
Q: What after-sales services do you provide?
A: Our sales team responds within 24 hours, technical support is available anytime, and free replacement is provided for confirmed quality-related failures.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.