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R25 R32 R38 R51 T76 SDA Hex Anchor Nut for Self Drilling Rock Bolting Tunneling Spherical Anchor Nut Thread:R32 Length:45mm Description: Anchor nut is used to lock the anchor system, make ......
Spherical Anchor Nut for Self Drilling Rock Bolting R32 R25 R38 Custimized Nut Hex Anchor Nut Thread:R25 Length:41mm Description: Anchor nut is used to lock the anchor system, make sure the anchor string is fas...
Spherical Anchor Nut for Self Drilling Rock Bolting R32 R25 R38 Custimized Nut Hex Anchor Nut Thread:R25 Length:41mm Description: Anchor nut is used to lock the anchor system, make sure the anchor string is fas...
R25 R32 R38 R51 T76 SDA Hex Anchor Nut for Self Drilling Rock Bolting Tunneling Spherical Anchor Nut Thread:R32 Length:45mm Description: Anchor nut is used to lock the anchor system, make ......
full threaded steel self drilling rock bolt / hollow anchor bar / anchor rods The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill ......
..., tunneling pre-support, foundations with micropiles, it is also widely used in the railway system, metro project etc. It can be installed in sites with weak rocks, loose soil, weathered layer, sand with sto...
...Rock Bolt Expansion Anchor With Expansion Shell Application Expansion shells are used for fixing single-sided shuttering or similar structures in rock, concrete or comparable load-bearing ground. The expansi...
... Shell Rock Bolt Anchor for Underground Mining Solutions Product Details Product Name Expansion Shell / Rock anchors Material cast iron, steel Finish Plain/HDG/EG Production Process Casting Application Rock ...
...rock bolt carriage used for tunnel support DW551 is a small and medium-sized hydraulic rock drilling equipment independently researched, developed, and manufactured by our company. It is mainly suitable for ...
...rock bolt drilling machine used for tunnel support DW551 is a small and medium-sized hydraulic rock drilling equipment independently researched, developed, and manufactured by our company. It is mainly suita...
...Rock Bolting Drill Rigs Tunneling Jumbos used For Tunnel Construction DW551 is a small and medium-sized hydraulic rock drilling equipment independently researched, developed, and manufactured by our company....
... by our company. It is mainly suitable for excavation and construction operations in tunnels, mining, hydropower, railway, highway, and other fields; It adopts an advanced fully hydraulic rock drilling syste...
... by our company. It is mainly suitable for excavation and construction operations in tunnels, mining, hydropower, railway, highway, and other fields; It adopts an advanced fully hydraulic rock drilling syste...
...Rock Bolting Drill Rigs For Small Tunnels DW551 is a small and medium-sized hydraulic rock drilling equipment independently researched, developed, and manufactured by our company. It is mainly suitable for e...
High Strength Expansion Shell Mining Rock Bolts Mechanical Roof Bolt Product Specification Stamping Bracket To Drawing No Certificate No. Supplier PO NO. SBR003 Shipped QTY 2100 Inspector Supervisor Material .....
... load-bearing ground. The expansion shells hold in any rock strata which is sufficiently competent to provide an adequate anchorage. They are designed to anchor in soft ground or hard rock. In good strata th...
... supports can be divided into the class set of anchor bolts and bolt full-length classes. Only a part of the contact between the anchor device and the finger rod and the hole wall of the anchor bolt. Incline...
.... Compared with the solid rod body, the hollow rod body design can obtain better rigidity and shear strength. The outer surface of the bolt has a standard large-pitch thread structure....
.... Compared with the solid rod body, the hollow rod body design can obtain better rigidity and shear strength. The outer surface of the bolt has a standard large-pitch thread structure....
... supports can be divided into the class set of anchor bolts and bolt full-length classes. Only a part of the contact between the anchor device and the finger rod and the hole wall of the anchor bolt. Incline...