28mm hollow rock bolts

Brand Name:SupFRP

Model Number:H28

Place of Origin:Jiangsu, China

28mm Grouting Anchor GFRP Hollow Rock Bolts In Civil Engineering Features The SupFRP® GFRP Hollow Bolt is developed with high tensile load and pressure resistance. It combines rock bolt with injection function. After injection work,the bolt can remain in ...

Place of Origin:China

Brand Name:Jinquan

Model Number:Threaded & Tapered

...hollow ground anchor bolt: Self drilling anchor bolts: self-drilling rock anchoring/rock bolt/anchor plate factory from China: R22, R25, R32, R38, R51 rock bit, nuts, couplings, drill rod etc. 1. Self Drilling Anchor Bolt. 2. Material:seamless steel pipe 40Cr/EN40Cr. 3. Left thread. 4. ISO9001&CE. Applications: Tunnelling ground engineering; Radial bolting...

Place of Origin:China

Brand Name:Zhengde Metal

Product Description Zhengde The hollow anchor consists of five parts: hollow drill pipe, plastic drill bit, grout stopper, backing plate, and nut. The drill bit is made of engineering plastic and is equipped with slurry holes and dust removal. Application ...

Place of Origin:CHNIA

Brand Name:Zhengde

Product Description Product Description Zhengde The hollow anchor consists of five parts: hollow drill pipe, plastic drill bit, grout stopper, backing plate, and nut. The drill bit is made of engineering plastic and is equipped with slurry holes and dust ...

Brand Name:MIROC

Model Number:Self drilling anchor bolt

Place of Origin:China

Hollow Grouted Self Drilling Tunnel Rock Bolt Mining Anchor Bolt Introduction Of Hollow Drilling Mining Rock Grouting Anchor Bolt 1, Hollow Drilling Mining Rock Grouting Anchor Bolt consists of hollow core with continuous hot-rolled outside thread 2, Hollow Drilling Mining Rock Grouting Anchor Bolt...

Brand Name:MIROC

Model Number:Self drilling anchor bolt

Place of Origin:China

Hollow Grouted Self Drilling Tunnel Rock Bolt Mining Anchor Bolt Introduction Of Hollow Drilling Mining Rock Grouting Anchor Bolt 1, Hollow Drilling Mining Rock Grouting Anchor Bolt consists of hollow core with continuous hot-rolled outside thread 2, Hollow Drilling Mining Rock Grouting Anchor Bolt...

Brand Name:Fuhua

Place of Origin:China

... designed to expand and grip the surrounding rock when the bolt is tightened. This creates a secure anchor point that can withstand heavy loads and provide long-term stability. One of the key benefits of the Expansion Shell Rock Bolt is its high level of

Brand Name:NO

Model Number:NO

Place of Origin:China

... as the drilling high-pressure air-water channel and grouting channel. 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.

Brand Name:OED/OEM

Model Number:T51N/36

Place of Origin:China

...Rock Bolts Ground Tunnelling Self Drilling Anchor Bolts Fasteners Hollow Threaded Bar Specifications of our R51N/36 Casting drill bit: Outer Diameter:51mm Inner Diameter:36mm Utimate Load:800KN Yield load:630KN Weight:7.6kg/meter Casting Drill bit for Mining Rock Bolts Ground Tunnelling Other specification of hollow...

Brand Name:ROSCHEN

Place of Origin:Germany, Australia, China

Model Number:25 32 32 38 51 R25N R32L R32N/1 R32N R32S/1 R32S R38N/1 R38N/2 R38N R51L/1 R51L R51N/1 R51N

...Rock Bolts Anchors and Rock Bolts R25 to T130 for Self Drilling Hollow Anchor Bolt (R-thread) Field of application IBO Self-drilling Anchors are successfully used for anchoring in poor ground, cohesive and non-cohesive soils, and in the case of unstable boreholes. Main applications are: • Tunneling and Mining Rock bolting...

Brand Name:Summery

Model Number:full threaded steel

Place of Origin:China,shanghai

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 bit that performs drilling, anchoring and grouting in a single operation. ...

Brand Name:SYL

Place of Origin:CHINA

... Injection Pipe Self Drilling Hollow Rock Soil Anchor Bolt For Tunneling Cons Specification Product name 2inch grouting pipe civil engineering grout injection pipe self drilling hollow rock and soil anchor bolt for tunneling construction Standard API, ...

Brand Name:Minetech

Model Number:Hollow Anchor Bar Self-Drilling Bolt

Place of Origin:China

..., 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 stone layer and so difficult to create a hole in

Brand Name:zuanshen

Model Number:DWS31

Place of Origin:China

... engineering anchor rod operations. It uses two hydraulic rock drills, one for drilling holes and the other for installing bolts. It is equipped with a mesh grabbing mechanical arm, which has a high level of human-machine control, making it easy to

Place of Origin:Jiangsu, China

Brand Name:grace

Model Number:DIN

hollow bolt screw China fastener manufacturer hollow threaded bolts with hole Product Description We have all standard DIN, BS, JIS and ISO fasteners and other industrial parts with well-equipped testing facilities and strong technical ...

Brand Name:MH

Model Number:MH0725A

Place of Origin:Shaanxi, China (Mainland)

...) Standard 1. DIN912 2.DIN912 Tap 3.DIN6921 4.DIN933 5. DIN931 6. DIN6912 7.DIN7984 8. ISO14580 9.ISO14583 10. ISO7380 Dimensions Titanium bolts(screws): M2-M64, Length 6~300mm;

Brand Name:NC9842

Model Number:9842

Place of Origin:Mainland China

...Rock Bolt Anchors Tunnel Rock Bolt Mining Anchor Bolt Application The expansion shell acting as an accessory on rock bolt, it is screwed on the rock bolt , then inserted into drilling hole.the rotate the rock bolt until the shell can not be expanded, and the rock bolt...

Brand Name:KKG

Model Number:EC25

Place of Origin:China

Encoder Switch,360 °Rotation Hollow Shaft Encoder For Car Audio,Incremental Rotary Encoder,Coded Rotary Switch 28mm Hollow Shaft Rotary Encoder Soundwell Rotary Encoder Shaft Hollow Sensor EC28 Ring Encoder Factory KKG electric CO.,LTD. is a company which ...

Brand Name:Beijun

Model Number:DS3

Place of Origin:China

...Rock Bolting Rig (Wider Type) DS3 Hydraulic Rock Bolting Rig (Wide Type): The mining hydraulic rock bolting rig has the functions of drilling,bolting and meshing, and is especially suitable for mine bolting support operations.It can be customized for pipe seam bolt resin bolt, combination of pipe seam bolt + resin operation Technical Data Rock...