All Thread bar Bolt - DQ16 18 20 22 Specificaton & Trade Terms
| Model | DQ16 18 20 22 |
|---|
| Place Of Origin | Shandong, China (Mainland |
|---|
| Price Term | EX-Work |
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| Payment Term | T/T |
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3.Diameter : 16mm 18 mm 20mm 22m
All Threadbar Bolt(Continuous Thread Rock Bolt):
All Threadbar Bolt is used together with dome plate and net for reliable ground support in mines, tunnels, slopes, or wherever .a
1.FEATURES :
(1) In the longitudinal direcition , rock body has equal tensile strength ,that is about 40% higher than the reverse-twist bolt in the same specification .
(2) Extend the support area , not only be used by end anchoring ,but also be used by fully anchoring ,that has a better support efficiency .a
(3)Low price, widely used in coal mines, railways, hydropower and other types of roadway projects
