R38 Thread Size 1000mm to 8000mm Self Drilling Anchor Bolt for Tunnel Pipe Roofing and Foundation Support
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... and drill bit. It can combine drilling, grouting and anchoring functions together, which is suitable for broken rock and surrounding rocks which are difficult to drill holes. Without using casing pipe, it can greatly improve the construction efficiency,...
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
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High Strength Self Drilling Anchor Bolt , Steel Anchor Bolts Easy Installation
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Self Drilling Anchor Bolts matching threads R25,R23,R38,R51 and T76 Anchor bolt Anchor bolt means a rod that transfers the structures or geotechnical load to a stable rock formations, it consistsof rod, drill bit,coupling, plate, grouting stopper and nut. It has been widely used in tunnling, mining,slope stabilization, tunneldiseasestreatment and roof supporting of undergroundworks. It is for loose ground(clay, sand friable etc.) Hollow anchor...
KSQ Technologies (Beijing) Co. Ltd
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self drilling anchor bolt - rock bolt, rock anchor
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Self drilling hollow ground anchor bolts - rock bolts, rock anchor: 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......
Liaocheng Jinquan Construction Machinery Co.,Ltd - China manufacturer of rock drilling tools button bits top hammer rock tools DTH hammer button bits
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Mild Steel R38N Self Drilling Anchor Bolt M3x20 Size For Machinery Industry
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...self drilling anchor bolt Description Size Weight Part No. Remark (kg) (lb) Bit with thread Steel cross bit R38/76 mm 1.20 2.65 38MR31176 Hardened cross bit for loose to medium dense conditions with small boulders R38N R38/90 mm 1.40 3.09 38MR31190 Steel arched bit R38/76 mm 1.20 2.65 38MR34176 Hardened arched bit for optimized geometry for unconsolidated soil with small boulders TC arched bit R38......
Shanghai Summery Industrial Machine Co. , Ltd.
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Hollow Steel Anchor Self Drilling Anchor Bolt R51 1-4 M Length Anti - Corrosion
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...Anchor R51 Self Drilling Anchor Bolts Soil Nailing Roof Support Rock Anchor Bolt The Self Drilling Anchor (SDA) system is a bolting solution for difficult ground and rock conditions. The system enables drilling and grouting in one operation, making much saving in jobsite and project time. Which is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring......
KSQ Technologies (Beijing) Co. Ltd
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Yellow R51 90mm Anchor Drill Gap Spacer for Self Drilling Anchor Bolt
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...Anchor Drill Gap Spacer for Self Drilling Anchor Bolt 1. Self-Drilling Anchor System--Gap Spacer Spacers or centralizers are designed and used to provide a minimum grout cover of minimum 20.0 mm around the self-drilling anchor bolt. 2. Specifications: Keywords: Self drilling anchor bolt Self Drilling Rock Bolt anchor drill anchor drilling anchor drilling fluids anchor drilling fluids usa anchor drilling fluids llc anchor drilling...
ROSCHEN GROUP
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Self Drilling Anchor Bolt Top Hammer Drilling Tools Grouting Anchor Bolts Bar
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Self Drilling Anchor Bolt Self Drilling Grouting Anchor Bolts Bar 1. R thread self drilling anchor bolt is suitable for broken rock, loose soil and conditions which are difficult to drill holes, such as fracture zones, decayed rock, gravel, sandy gravel, backfill ground. 2. Used for permanent support for tunneling. 3. In slope stabilization, rock bolts......
Changsha Sollroc Engineering Equipments Co., Ltd
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Tensile Load 220kN Fiberglass 25mm Self Drilling Anchor Bolts
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.... Furthermore the cuttability protects the machinery by avoiding obstructions while drifting or enlarging tunnels.The GFRP SDA Bolt can realize fast drilling and installation due to its unique function which integrates drilling, grouting and anchoring as a...
Supanchor Rock Reinforcement Co., Ltd.
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R25 R32 R38 R51 T76 SDA Hex Anchor Nut for Self Drilling Rock Bolting Tunneling
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...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 sure the anchor string is fastened with anchoring site, there usually have hexagonal and spherical two designs. Hex Nut: R25, R32, R38, R51, T76 Spherical nut: R32, R38......
HUNAN GOLDEN GLOBE I AND E OED CO.,LTD.
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High Strength Full ASTM Precision Hollow Rock Bolts Threaded Steel Self Drilling Anchor Bolt Hollow Anchor/Hollow Anchor Bar Anchor Rods
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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 ......
Shandong Zhengde Metal Manufacturing Co., Ltd
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