Sharp End Threadbar Bolt
Sharp End Threadbar Bolt Functions
The Sharp end bolt is manufactured from full threadbar, TR Bar or Rebar. Being used with plate, domed ball,anti-friction washer and nut,
One end is cut into sharp end and the other end is rolled thread.
Sharp end bolt can be an effective rock reinforcement system for unground rock support.
Sharp End Threadbar 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 | 162KN | 560 MPa | 176 KN | 630 MPa | 198 KN | 710 MPa | 220 KN | 18% | 24% | 2.46 KGS | 19.5mm | 22.5mm |
| 22mm | 525 MPa | 199KN | 590 MPa | 224 KN | 652 MPa | 247 KN | 760 MPa | 289 KN | 18% | 24% | 2.98 KGS | 21.2mm | 23.8mm |
| 25mm | 550 MPa | 269KN | 610 MPa | 298 KN | 684 MPa | 335 KN | 798 MPa | 391 KN | 18% | 24% | 3.85 KGS | 24.8mm | 28.5mm |
Round plate, domed plate,combi plate
Domed nut, hex nut, anti-friction washer,domed ball
Sharp End Threadbar Bolt Length & Package
1.Bolts are packaged in bundles.
2.Bolt fittings, such as nuts, anti-friction washers and domed balls, are supplied fitted to rock bolts in the configuration requested.
Applications
Mines
Tunnels
Slopes
Places where need ground support
