High-Strength Threaded Bars for Civil & Geotechnical Engineering
Precision-engineered, fully threaded reinforcing bars trusted across 70+ countries for anchoring, tunnelling, slope stabilisation, and structural reinforcement.
Hot Thread 500 Product Range
The Hot Thread 500 system is a fully threaded, high-strength bar solution designed for geotechnical and civil engineering applications. It delivers exceptional performance in anchoring, tunnelling, slope stabilization, lateral support, and structural reinforcement, offering reliability and consistency under demanding conditions.
Mechanical Properties
- ●Yield Strength: 500 MPa (minimum)
- ●Tensile Strength: 550–650 MPa
- ●Elongation: 15% (minimum, per Eurocode 2 class H)
- ●Shear Strength: Approximately 70% of tensile strength
- ●Meets SANS 920 codes
| Technical Data | 20mm | 25mm | 32mm | 40mm |
|---|---|---|---|---|
| Min. Yield Strength (MPa) | 500 | 500 | 500 | 500 |
| Min. Tensile Strength (MPa) | 550 | 550 | 550 | 550 |
| Min. Yield Load (kN) | 157 | 245 | 402 | 628 |
| Min. Ultimate Load (kN) | 173 | 270 | 442 | 691 |
| Nominal Area (mm²) | 314 | 491 | 804 | 1257 |
| Weight (kg/m) | 2.47 | 3.85 | 6.44 | 10.21 |
Hot Thread 500 Bar
Fully threaded, high-strength reinforcing bar for anchoring, reinforcement, and post-tensioning. Available in 20mm, 25mm, 32mm, and 40mm diameters.
Hot Thread 500 Accessories
Dome Nuts
Heavy-duty closure nut that protects threads and ensures safe surface contact.
Couplers
Extends or joins bars for custom installation lengths with secure load transfer.
Dome Washers
Provides load distribution and anchorage support for stable installation.
Centralizers
Ensures uniform spacing and accurate bar alignment within the borehole.
Spiders
High-strength accessories for precise bar alignment. 12mm & 16mm.
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