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  • hollow rock bolt - offers from hollow rock bolt ...

    hollow rock bolt Manufacturers Directory ☆ 3 million global importers and exporters ☆ hollow rock bolt suppliers, manufacturers, wholesalers, hollow rock bolt sellers, traders, exporters and distributors from China and around the world at EC21.com

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  • China Hollow Rock Bolt manufacturer, Self Drilling Anchor ...

    2014-11-12u2002·u2002Luoyang Jiangtai Technology Co., Ltd is a professional modern company which works on production of rock reinforcement products, such as self drilling anchor bolts, expansion shell rock bolt, hollow anchor bolt and anchor bolt accessories.

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  • World's leading rock bolt manufacturer-Sinorock®

    Sinorock® is an experienced rock bolt system manufacturer,which has some authority certifications,such as ISO, SGS,Bureau and CE.These rock bolt products are mostly used for the mining,tunneling and civil construction industries etc.

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  • Self-Drilling Rock Bolt

    2021-9-29u2002·u2002GEOTEC Steel Self-Drilling Rock Bolt is a rock-bolting system based on a fully coarse threaded hollow bar. It is especially recommended for the following applications : Roof and wall bolting. All ground conditions. GEOTEC Self Drilling Rock Bolts do not require to pre-drill a hole, therefore making it usable even in soft rock conditions.

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  • Hollow Drilling Mining Rock Grouting Anchor Bolt,Hollow ...

    2, Hollow Drilling Mining Rock Grouting Anchor Bolt can application as injection anchor without casing, especially for non-stable boreholes 3, self-drilling installation, utilization of the anchor bar as drill rod with a single-use drill bit

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  • Self Drilling Anchor Rock Bolts, Threaded Rods ...

    Welcome to Srons Engineers. Established in 2015 to support the growing demand of our Rock Hardware Products with excellent customer service. Srons Engineers are the Indian manufacturers of Rock Bolts, Self-drilling anchor systems and Self Drilling Anchor Bolt parts like hollow bar & rod, threaded rods, tie rods, coil rods, anchor couplers, anchor adapters, anchor nuts, drilling bits ...

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  • Rock Bolts - Roof Bolts - Resin Anchoring - DSI ...

    DSI (DSI) is Australia's largest manufacturer & supplier of specialist strata reinforcement & support products to the underground coal & metalliferous mining sectors.DSI is also a major exporter of these products to the Asia-Pacific Region.

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  • Atlas Copco Rock Reinforcement Products Product catalogue

    2017-11-14u2002·u2002line rock bolts, which are manufactured from a special type of steel. Another development is the Swellex Premium line of rock bolts, for use where high yield load and stiffness are expected from the reinforce-ment system. When Atlas Copco bought MAI in 2001, the rock reinforcement center moved to Feistritz/Drau, Austria.

    Get Price
  • - SA Bolt Manufacturers

    S.A. Bolt Manufacturers produces a large range of standard, commercial, industrial and specialised fasteners by both the cold and hot forging methods which is complemented by our machining division. Standard and special materials are procured from a number of specialized suppliers who guarantee the highest quality standards.

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  • Self-Drilling Anchor – IBO, Soil Nail, Micropile

    Atlas Copco first introduced Self-Drilling Anchor (SDA Rock Bolt) to China in 1990s. And we are the premier local manufacturer whom brought SDA hollow bars up to market specifications. Now, 25 years have passed, we developed new rolling technology and …

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  • R25 All Threaded Self-Drill Rock Bolt - Hollow Bar Anchor ...

    The core of the Onton R25 All Threaded Self-Drill Rock Bolt is a hollow, thick-walled, central drilling rod with a drill bit at the top. The system is modular, meaning that the most appropriate configuration can be put together to suit on-site circumstances and the forces that apply.

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  • Alibaba - self drilling anchor bolt, rock drilling tools

    Bolt Anchor. $1.90 - $7.00 Meter. 100.0 Meters (Min. Order) SINOROCK Ground stabilization system self drilling bit adapter made r38 hollow bar to 51mm hole. Tungsten Carbide. For Drilling Tool. $3.00 - $25.00 Piece. 1.0 Pieces (Min. Order) SINOROCK Quality rock bolt accessories SDA steel cross drill bit …

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  • The major supplier for providing anchor bolt and other ...

    2021-9-18u2002·u2002Sinorock® excels in manufacturing specialized anchor bolt including self drilling anchor bolt,anti-corrosion anchor system,fiberglass anchor bolt,stainless anchor bolt,expansion shell anchor bolt,and anchor accessories.

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  • Mechanical Rock Bolts - DSI Underground Canada

    0.40' (10.16 mm) Thread Size (left and right) I. All Bolts. 5/8'- 11 UNC. 3/4'- 10 UNC. 7/8'-9 UNC. All dimensions in accordance with ASTM F432 & CSA M430-90 specifications. Technical Data. C1060 Steel.

    Get Price
  • Leading anchor bolt manufacturer - Metis®

    2020-3-14u2002·u2002Metis® is a leading manufacturer of anchor bolt system.It is dedicated to manufacture rock reinforcement products, such as R&T Thread Anchor System,Anticorrosion Rock Bolt,Rock Drill,etc,which mostly used for the the mining,tunneling&civil construction industries.

    Get Price
  • Atlas Copco Rock Reinforcement Products Product

    2017-11-14u2002·u2002line rock bolts, which are manufactured from a special type of steel. Another development is the Swellex Premium line of rock bolts, for use where high yield load and stiffness are expected from the reinforce-ment system. When Atlas Copco bought MAI in 2001, the rock reinforcement center moved to Feistritz/Drau, Austria.

    Get Price
  • Case Studies - DSI Underground Group

    DSI Hollow Bars BULLFLEX ® Hoses Yielding Support Mining Rebar Rock Bolts Cable Bolts Friction Bolts Resins & Cement Cartridges Injection Systems Mechanical Anchors Mesh, Washers Self-Drilling Bolts Combination Anchors Hangers and Bolts Arches and Props ...

    Get Price
  • - SA Bolt Manufacturers

    S.A. Bolt Manufacturers produces a large range of standard, commercial, industrial and specialised fasteners by both the cold and hot forging methods which is complemented by our machining division. Standard and special materials are procured from a number of specialized suppliers who guarantee the highest quality standards.

    Get Price
  • Practical Rock Engineering Chapter 14 Rockbolts and

    2018-9-21u2002·u2002installation. For short term applications the bolts are generally left ungrouted. For more permanent applications or in rock in which corrosive groundwater is present, the space between the bolt and the rock can be filled with cement or resin grout. Dowels or anchor bars generally consist of deformed steel bars which are grouted into the rock.

    Get Price
  • rock bolts,rock anchors,self drilling anchor bolts,hollow ...

    2021-5-12u2002·u2002Luoyang Gongyan Technology Co.,Ltd is dedicated to manufacture rock reinforce - ment products, such as self drilling hollow bar, FRP rock bolt, mining friction bolt, etc. Self drilling hollow rock bolt (IBO rock bolt, self drill bar, geo-drill injection anchor, self drilling anchor bolt) has been always our main focus since our establishment, through the years of hard efforts ...

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  • Hollow Drilling Mining Rock Grouting Anchor Bolt,Hollow ...

    2, Hollow Drilling Mining Rock Grouting Anchor Bolt can application as injection anchor without casing, especially for non-stable boreholes 3, self-drilling installation, utilization of the anchor bar as drill rod with a single-use drill bit

    Get Price
  • R25 All Threaded Self-Drill Rock Bolt - Hollow Bar Anchor ...

    The core of the Onton R25 All Threaded Self-Drill Rock Bolt is a hollow, thick-walled, central drilling rod with a drill bit at the top. The system is modular, meaning that the most appropriate configuration can be put together to suit on-site circumstances and the forces that apply.

    Get Price
  • The major supplier for providing anchor bolt and other ...

    2021-9-18u2002·u2002Sinorock® excels in manufacturing specialized anchor bolt including self drilling anchor bolt,anti-corrosion anchor system,fiberglass anchor bolt,stainless anchor bolt,expansion shell anchor bolt,and anchor accessories.

    Get Price
  • Mechanical Rock Bolts - DSI Underground Canada

    0.40' (10.16 mm) Thread Size (left and right) I. All Bolts. 5/8'- 11 UNC. 3/4'- 10 UNC. 7/8'-9 UNC. All dimensions in accordance with ASTM F432 & CSA M430-90 …

    Get Price
  • Leading anchor bolt manufacturer - Metis®

    2020-3-14u2002·u2002Metis® is a leading manufacturer of anchor bolt system.It is dedicated to manufacture rock reinforcement products, such as R&T Thread Anchor System,Anticorrosion Rock Bolt,Rock Drill,etc,which mostly used for the the mining,tunneling&civil construction industries.

    Get Price
  • Case Studies - DSI Underground Group

    DSI Hollow Bars BULLFLEX ® Hoses Yielding Support Mining Rebar Rock Bolts Cable Bolts Friction Bolts Resins & Cement Cartridges Injection Systems Mechanical Anchors Mesh, Washers Self-Drilling Bolts Combination Anchors Hangers and Bolts Arches and Props ...

    Get Price
  • Atlas Copco Rock Reinforcement Products Product catalogue

    2017-11-14u2002·u2002line rock bolts, which are manufactured from a special type of steel. Another development is the Swellex Premium line of rock bolts, for use where high yield load and stiffness are expected from the reinforce-ment system. When Atlas Copco bought MAI in 2001, the rock reinforcement center moved to Feistritz/Drau, Austria.

    Get Price
  • High Strength Bar - DSI Underground Australia - Rock Bolts

    Standard bolt lengths range from 600 to 3000mm in 300mm increments. Non-standard requirements are available by negotiation. Bolts are packaged in bundles with threads protected by heavy duty polyethylene bags. Bolt fittings, such as nuts, anti-friction washers and domed balls, are supplied fitted to rock bolts in the configuration requested.

    Get Price
  • Practical Rock Engineering Chapter 14 Rockbolts and Cables

    2018-9-21u2002·u2002installation. For short term applications the bolts are generally left ungrouted. For more permanent applications or in rock in which corrosive groundwater is present, the space between the bolt and the rock can be filled with cement or resin grout. Dowels or anchor bars generally consist of deformed steel bars which are grouted into the rock.

    Get Price
  • mining rock bolts - mining rock bolts online Wholesalers

    mining rock bolts - mining rock bolts online Wholesalers. ...Glass Fiber Reinforced Polymer 22mm Hollow Anchor Rock Bolts Features The SupFRP® GFRP Hollow Bolt is developed with high tensile load and pressure resistance. It combines rock bolt with injection function.

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  • China R51n Hollow Anchor Bolt Factory and Suppliers ...

    2021-8-17u2002·u2002Getting started; R51n Hollow Anchor Bolt; R51n Hollow Anchor Bolt - Manufacturers, Factory, Suppliers from China. We have probably the most state-of-the-art output equipment, experienced and qualified engineers and workers, recognized good quality manage systems plus a friendly skilled income workforce pre/after-sales support for R51n Hollow Anchor Bolt, Self Drilling Anchor Palte, Self ...

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  • R25 All Threaded Self-Drill Rock Bolt - Hollow Bar Anchor ...

    The core of the Onton R25 All Threaded Self-Drill Rock Bolt is a hollow, thick-walled, central drilling rod with a drill bit at the top. The system is modular, meaning that the most appropriate configuration can be put together to suit on-site circumstances and the forces that apply.

    Get Price
  • Hollow Grouted Self Drilling Tunnel Rock Bolt Mining ...

    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 can application as injection anchor without casing, especially for non-stable boreholes. 3, self-drilling installation, utilization of the anchor bar as drill rod with a ...

    Get Price
  • Hollow Bolts by Yuhuan High-rate Part Manufacturing ...

    Buy high quality Hollow Bolts by Yuhuan High-rate Part Manufacturing Factory. Supplier from China. Product Id 708614.

    Get Price
  • Sinorock® is respected manufacturer and supplier in ...

    Sinorock® is an experienced manufacturer of hollow bar products which has broad market and great reputation all over the world. Products Sinorock® has several advanced hollow bar production lines and accessories processing equipments to provide reliable products for customers.

    Get Price
  • Mechanical Rock Bolts - DSI Underground Canada

    0.40' (10.16 mm) Thread Size (left and right) I. All Bolts. 5/8'- 11 UNC. 3/4'- 10 UNC. 7/8'-9 UNC. All dimensions in accordance with ASTM F432 & CSA M430-90 specifications. Technical Data. C1060 Steel.

    Get Price
  • High Strength Bar - DSI Underground Australia - Rock Bolts

    Standard bolt lengths range from 600 to 3000mm in 300mm increments. Non-standard requirements are available by negotiation. Bolts are packaged in bundles with threads protected by heavy duty polyethylene bags. Bolt fittings, such as nuts, anti-friction washers and domed balls, are supplied fitted to rock bolts in the configuration requested.

    Get Price
  • Self Drilling Anchor Bolts Manufacturer, Self Drilling ...

    Advantages. Self drilling hollow bar anchor system: Comprised of a hollow threaded bar attached with a drill bit that performs drilling. The hollow bar allows air and water to freely pass through the bar during drilling to remove debris, after drilling at the required depth is completed, grout fills the hollow bar through the pressure for their requirement and completely covers the entire bolt.

    Get Price
  • Practical Rock Engineering Chapter 14 Rockbolts and

    2018-9-21u2002·u2002installation. For short term applications the bolts are generally left ungrouted. For more permanent applications or in rock in which corrosive groundwater is present, the space between the bolt and the rock can be filled with cement or resin grout. Dowels or anchor bars generally consist of deformed steel bars which are grouted into the rock.

    Get Price
  • mining rock bolts - mining rock bolts online Wholesalers

    mining rock bolts - mining rock bolts online Wholesalers. ...Glass Fiber Reinforced Polymer 22mm Hollow Anchor Rock Bolts Features The SupFRP® GFRP Hollow Bolt is developed with high tensile load and pressure resistance. It combines rock bolt with injection function.

    Get Price
  • China R51n Hollow Anchor Bolt Factory and Suppliers ...

    2021-8-17u2002·u2002Getting started; R51n Hollow Anchor Bolt; R51n Hollow Anchor Bolt - Manufacturers, Factory, Suppliers from China. We have probably the most state-of-the-art output equipment, experienced and qualified engineers and workers, recognized good quality manage systems plus a friendly skilled income workforce pre/after-sales support for R51n Hollow Anchor Bolt, Self …

    Get Price
  • R25 All Threaded Self-Drill Rock Bolt - Hollow Bar Anchor ...

    The core of the Onton R25 All Threaded Self-Drill Rock Bolt is a hollow, thick-walled, central drilling rod with a drill bit at the top. The system is modular, meaning that the most appropriate configuration can be put together to suit on-site circumstances and the forces that apply.

    Get Price
  • Hollow Grouted Self Drilling Tunnel Rock Bolt Mining ...

    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 can application as injection anchor without casing, especially for non-stable boreholes. 3, self-drilling installation, utilization of the anchor bar as drill rod with a ...

    Get Price
  • Hollow Bolts by Yuhuan High-rate Part Manufacturing ...

    Buy high quality Hollow Bolts by Yuhuan High-rate Part Manufacturing Factory. Supplier from China. Product Id 708614.

    Get Price
  • Sinorock® is respected manufacturer and supplier in ...

    Sinorock® is an experienced manufacturer of hollow bar products which has broad market and great reputation all over the world. Products Sinorock® has several advanced hollow bar production lines and accessories processing equipments to provide reliable products for customers.

    Get Price
  • Mechanical Rock Bolts - DSI Underground Canada

    0.40' (10.16 mm) Thread Size (left and right) I. All Bolts. 5/8'- 11 UNC. 3/4'- 10 UNC. 7/8'-9 UNC. All dimensions in accordance with ASTM F432 & CSA M430-90 …

    Get Price
  • High Strength Bar - DSI Underground Australia - Rock Bolts

    Standard bolt lengths range from 600 to 3000mm in 300mm increments. Non-standard requirements are available by negotiation. Bolts are packaged in bundles with threads protected by heavy duty polyethylene bags. Bolt fittings, such as nuts, anti-friction washers and domed balls, are supplied fitted to rock bolts in the configuration requested.

    Get Price
  • Self Drilling Anchor Bolts Manufacturer, Self Drilling ...

    Advantages. Self drilling hollow bar anchor system: Comprised of a hollow threaded bar attached with a drill bit that performs drilling. The hollow bar allows air and water to freely pass through the bar during drilling to remove debris, after drilling at the required depth is completed, grout fills the hollow bar through the pressure for their requirement and completely covers the entire bolt.

    Get Price
  • Practical Rock Engineering Chapter 14 Rockbolts and Cables

    2018-9-21u2002·u2002installation. For short term applications the bolts are generally left ungrouted. For more permanent applications or in rock in which corrosive groundwater is present, the space between the bolt and the rock can be filled with cement or resin grout. Dowels or anchor bars generally consist of deformed steel bars which are grouted into the rock.

    Get Price
  • Rock Bolts - ForceTec Middle East, Africa & India

    Rock Bolts with Self-Drilling Hollow Bar Self-drilling hollow bar is a suitable reinforcement for rock bolting. Hollow bar offers fast, easy and flexible system in any soil conditions, which simultaneously acts as the drilling rod (with lost drill bit), grouting tube …

    Get Price
  • ONTON T30N Hollow Rock Bolts(id:9435231).

    Onton bolt system was established in the early 1990s, and Our company is the first manufacturer of SDA anchor in china. Chengdu ONTON Technolojy Co., Ltd. Is the main compiling units of the standard named 'Technical Terms of Hollow Anchor …

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  • FRP Hollow Rock Bolt - Suppliers - Sweets

    GEOTEC FRP Hollow Rock Bolt is a rock-bolting system based on fully threaded hollow GFRP bars. It is especially designed for the following applications : Face-bolting and temporary applications : Cut-ability of FRP makes it the ideal solutions for face bolting or any other tunneling/mining application where further excavation is required.

    Get Price
  • Sinorock® is self drilling anchor bolt manufacturer from ...

    Sinorock® has SDA bolt, hollow bars,expansion shell anchor bolt,drill bit,rock drill with reliable quality and competitive price.Rock bolt suppliers! Sinorock® is self drilling anchor bolt manufacturer from China.

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  • Rock Support Bolt, Mechanical Rock Support Bolt, Rock ...

    NingBo SPT Engineering Material Co.,Ltd is located at BeiLun District of NingBo City In ZheJiangProvince, ChinaMainland. Company's office and production area get to approx 6000 SQ Meters.Primary business in manufacturing and selling rock support thread bars. Kinds of Grouting hollow thread bar, reinforcing steel bar, LHD thread equicohesive bar ETC.

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  • Rock Bolts - Roof Bolts - Resin Anchoring - DSI ...

    DSI (DSI) is Australia's largest manufacturer & supplier of specialist strata reinforcement & support products to the underground coal & metalliferous mining sectors.DSI is also a major exporter of these products to the Asia-Pacific Region.

    Get Price
  • Leading anchor bolt manufacturer - Metis®

    2020-3-14u2002·u2002Metis® is a leading manufacturer of anchor bolt system.It is dedicated to manufacture rock reinforcement products, such as R&T Thread Anchor System,Anticorrosion Rock Bolt,Rock Drill,etc,which mostly used for the the mining,tunneling&civil construction industries.

    Get Price
  • Atlas Copco Rock Reinforcement Products Product

    2017-11-14u2002·u2002line rock bolts, which are manufactured from a special type of steel. Another development is the Swellex Premium line of rock bolts, for use where high yield load and stiffness are expected from the reinforce-ment system. When Atlas Copco bought MAI in 2001, the rock reinforcement center moved to Feistritz/Drau, Austria.

    Get Price
  • Bolts Supplier & Custom Bolts

    AFT Fasteners supplies and manufactures custom bolts for every industry, including construction and electronics.Our online selection includes almost 9,000 different styles, bolt sizes and materials, including carbon and stainless steel anchor bolts, carriage bolts, elevator bolts, eye bolts, frame bolts, heavy hex bolts, tension control bolts, toggle bolts, and more.

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  • Technical Posts – Self-Drilling Anchor

    Supplying IBO Self Drilling Anchor, Rock Bolt, Hollow Bar Soil Nail & Micropile. Posting technical articles about mining, tunnelling, foundation reinforcement and hollow bar anchor production.

    Get Price