D25 PSB830 Thread Bar Rock Bolt
25-830
Quantity:
Full Thread Bar D25mm PSB830/1030 for rock bolt
Yidao Rock Bolt is typically formed from solid threadbar systems, using a thread bar, nut, coupler and plate. The thread bar is used to bond unstable rock to stable sections used for tensile and shear loads.
Rock bolt is fully bonded and, unlike ground anchors, is passive installations. Thanks to the higher bond strength offered by rock compared to soil and the efficient load transfer of the thread bar, rock bolt can be installed into a much smaller hole than soil nails or ground anchors, saving time and money.
Yidao thread bar PSB830/1030 is right hand threaded type, steel grade similar to ASTM A722 Y1030, 120KSI, Grade 75/80/100.
Dimensions & mechanical properties
| Dia[mm] | dh[mm] | dv[mm] | h[mm] | b[mm] | l[mm] |
| 25 | 25 ±0.4 | 25 +0.4/-0.8 | 1.6 | 6.0 | 12 |
| Yield strength | min 830MPA(407.5KN) | |
| Tensile strength | min 1030MPA(505.7KN) | |
| Elongation,5d[A%] | min 7 | |
| Weight[KG/M] | 4.1 | |
| Cross Section Area,A[mm2] | 491 | |
D25 thread bar accessories:
Accessories Items | Flat nut | Flat anchor plate | Domed nut | Dome plate | Coupler | PVC Centralizer |
Size/mm | SW50xL60 | 100x100x10 | 41x45x55 | 150x150x10 | OD50xL132 | ID30xOD55xL160 |
other size OEM available.
D25 thread bar length: 9m, 12m or cut as per customers' requirements.
D25 thread bar Application:
