Full Threaded Spring Anchor Bolt
- -Offered with either left-hand or right-hand threading.
- -Enhanced thread ribs ensure better resin mixing and strengthened anchorage.
- -Compatible with both resin cartridges and cement grout.
- -Maintains consistent strength throughout its length.
- -The continuous thread allows for nut fastening at any point along the length, improving material utilization and reducing costs.
- -Available in either a black or hot-dip galvanized finish.
Full Threaded Spring Anchor Bolt Functions
The full threaded spring anchor bolt designed by Tonry for the metalliferous mining have been supplied in mines for many years and have been recognized by customers.Together with a torque dome nut, supplied as standard, it represents state of the arttechnology in the one step installation of roof bolts for mining,tunneling and strata reinforcement. Specially designed spring wire attached to the up-hole end ensures that the resin components are thoroughly combined and distributed evenly.The helix design helps center the bolt within the borehole during installation. This ensures the bolt is positioned optimally and improves the overall stability of the installed bolt.
Full Threaded Spring Anchor Bolt Mechanical Properties
| Diameter | Yield Strength | Tensile Strength | Elongation A% | Mass Meter | Core Dia | Major Dia | |||||||
| Min | Typ. | Min | Typ. | Min | Typ. | ||||||||
| 20mm | 515 MPa | 162 kN | 560 MPa | 176 kN | 630 MPa | 198 kN | 710 MPa | 220 kN | 18% | 24% | 2.46KGS | 19.5mm | 22.5mm |
| 22mm | 525 MPa | 199 kN | 590 MPa | 224 kN | 652 MPa | 247 kN | 761 MPa | 289 kN | 18% | 24% | 2.98KGS | 21.2mm | 23.8mm |
| 25mm | 550 MPa | 269 kN | 610 MPa | 298 kN | 684 MPa | 335 kN | 798 MPa | 391 kN | 18% | 24% | 3.85KGS | 24.8mm | 28.5mm |
Full Threaded Spring Anchor Bolt Bearing plate
Round plate, domed plate
Full Threaded Spring Anchor Bolt Accessories
Domed nut, hex nut, anti-friction washer, domed ball
Full Threaded Spring Anchor Bolt Length and Package
Length: 1.8m/2.0m/2.2m/2.4m or as requested
Package: Bolts are packaged in bundles.
Posimix Bolt Applications
Mines
Tunnels
Slopes
Places that need ground support
