43mm Mining Rock Bolts with 130-140 kN Tensile Load for Underground Tunnel Support Systems
Price:
$25.00/pieces 100-499 pieces
MOQ:
100 pieces
Delivery Time:
Negotiable
Brand:
Kelleg
Product Description
Product Overview
43mm friction stabilized anchor bolts are advanced mining rock bolts designed specifically for underground mining tunnel support applications. These innovative anchors provide 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 - bump to finish operation
- No anchoring agent required for setup
- 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 in both directions
Manufacturer Profile
Kelleg is a market-oriented enterprise specializing in geotechnical anchoring solutions. We integrate R&D, design, procurement, sales, and customer service to deliver comprehensive system solutions, product supply, and technical support for mining and tunneling applications.
Frequently Asked Questions
Is there a minimum order quantity?
We generally have no minimum order quantity requirements.
Do you have 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.
What after-sales services do you provide?
Our sales team responds within 24 hours, technical support is available anytime, and free replacement is provided for confirmed 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.