R38N 38mm Self-Drilling Anchor Bolt for Decayed Rock and Gravel - 500KN Ultimate Load Capacity
Price:
N/A
MOQ:
100 pcs
Delivery Time:
Negotiable
Brand:
ROSCHEN
Product Description
R38N 38mm Self-Drilling Anchor Bolt
Self-drilling anchor bolts combine drilling, grouting, and anchoring into a single operation, ensuring reliable performance in challenging ground conditions including decayed rock, sand, and gravel formations.
Applications
Ideal for complex geological conditions including fractured zones, decayed rock, gravel, sandy gravel, and backfill ground. Suitable for:
- Permanent tunnel support systems
- Slope stabilization and rock reinforcement
- Soil nailing applications
- Micro-pile reinforcement for structural load transfer
Key Features
- Casing-free operation with anchor bar serving as drill pipe
- Simultaneous drilling and grouting with excellent grout spread radius
- Standard full-thread design allows custom cutting and coupler connections
- Continuous R-thread and T-thread patterns provide superior bonding stress
Technical Specifications
| Size | Outer Dia. (mm) | Inner Dia. (mm) | Ultimate Load (KN) | Yield Load (KN) | Weight (Kg/m) |
|---|---|---|---|---|---|
| R25N | 25 | 12 | 200 | 150 | 2.3 |
| R32L | 32 | 20.5 | 210 | 160 | 2.9 |
| R32N/1 | 32 | 20.5 | 280 | 230 | 2.9 |
| R32N | 32 | 18 | 280 | 280 | 3.5 |
| R32S/1 | 32 | 18 | 360 | 280 | 3.5 |
| R32S | 32 | 15 | 360 | 280 | 4.1 |
| R38N/1 | 38 | 22.5 | 500 | 400 | 4.8 |
| R38N/2 | 38 | 21 | 500 | 400 | 5.6 |
| R38N | 38 | 19 | 500 | 400 | 6 |
| R51L/1 | 51 | 39 | 550 | 450 | 5.6 |
| R51L | 51 | 36 | 550 | 450 | 7 |
| R51N/1 | 51 | 34 | 800 | 630 | 7.7 |
| R51N | 51 | 33 | 800 | 630 | 8.5 |
Contact Information
ROSCHEN INC. | ROSCHEN GROUP LIMITED
Email: roschen@roschen.com
Website: www.roschen.net | www.roschen.cn
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Company
ROSCHEN GROUP
Location
65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person
Bill, George, Michael