self drilling anchor
R THREAD HOLLOW BAR (STANDARD)
R thread self-drilling anchor bolt system comprising hollow bar, anchor nut, plate, coupler, drill bit, and centralizer. Available in R32S and R38N sizes. Drilling, installation, and grouting are performed in a single operation — an economic alternative to cased drilling with simple systems, low personnel requirements, and flexible length adjustment via couplers.
Technical Specifications
Nominal Diameter (mm)
| Parameter | R32S | R38N |
|---|---|---|
| Nominal Outer Diameter (mm) | 32 | 38 |
| Nominal Inner Diameter (mm) | 17 | 22 |
| Ultimate Load (kN) | 360 | 500 |
| Yield Load (kN) | 280 | 400 |
| Elongation (%) | 6.00 | 6.00 |
| Nominal Weight (kg/m) | 3.40 | 4.70 |
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