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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...
.... 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....
Product Description Dacromat Fasteners Hex Bolt and Nut Set With Washer DIN 933 Bolt and Nut Set 1. Standard: ISO, JIS, GB, ANSI, BSW, DIN or non standard as customize 2. Material: Carbon steel, Stainless steel...
One of the most attractive features of the hydraulic drilling jumbo for tunneling is its double-boom design, making it suitable for a large drilling cross section area. The tunneling jumbo has two drive methods...
...bolting drill rigs for bolt support in tunneling construction DW551 is a small and medium-sized hydraulic rock drilling equipment independently researched, developed, and manufactured by our company. It is m...
Micropile Foundation Work SDA T52/26 Anchor Bolt T52 Self Drilling Rock Anchors Specification: Outer Diameter:52mm Inner Diameter:26mm Utimate Load:930KN Yield load:730KN Weight:......
Micropile Foundation Work SDA T52/26 Anchor Bolt T52 Self Drilling Rock Anchors Specification: Outer Diameter:52mm Inner Diameter:26mm Utimate Load:930KN Yield load:730KN Weight:......
R28 38mm Thread Button Bit Tophammer Equipment Rock Bolting Tool Description Of R28 38mm Thread Button Bit: R28 38mm Thread Button Bit is made by high quality alloy ......