expandable rock bolts introductions

Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).

  • Expandable Rock Bolts - SSAB

    SSAB's expandable rock bolts are available in two types, called SSAB ERB and SSAB ERB+ series. Each series includes products with three load capacity variants: ERB 120 with a load capacity of 12 mt, ERB 160 with a load capacity of 16 mt and ERB 240 with load capacity of 24 mt. Elongation characteristics is the main difference between the ...

    Get Price
  • AMERICAS

    Minova Expandable Rock Bolts (EXRB) offer fast and reliable rock reinforcement with assured quality and guaranteed mechanical properties. Minova EXRB consists of a folded steel tube with upper bushing and inflation bushing welded at each end of the tube. A specially designed adjustable face plate is delivered as an option.

    Get Price
  • EMC EXPANDABLE ROCK BOLTS - Onix Underground

    emc expandable rock bolts For ONIX Underground offering the highest quality of our products is crucial. For that reason, we are really proud to work and establish a business partnership with EMCOR Underground, being able to offer and marketing the best expandable bolt in the market, the EMC Rock Bolt.

    Get Price
  • M3 Expandable Rock Bolt

    M3 expandable rock bolts offer superior quality that responds to the most demanding roof support applications. Its high load capacity and excellent elongation properties ensure safer working conditions and faster excavation cycles. This latest generation of rock bolt includes these improvements: • Redesigned Tooling to reduce the thinning in ...

    Get Price
  • MegaBolt Water Expandable Rock Bolt (ERB) - Argentium

    MEGA Bolt Water Expandable Rock Bolt (ERB) The MEGA Bolt ERB range features friction bolts with superior product characteristics to meet the most demanding roof support applications. The high-load bearing capacity combined with excellent elongation properties ensure safer working conditions and faster excavation cycles for low costs.

    Get Price
  • SSAB ERB, Expandable Rock Bolts – A new member to ...

    Expandable rock bolts are manufactured from unique SSAB steel in the Nordics. Each production stage from steel manufacturing to profiling and assembling of rock bolts belongs to SSAB's own production and quality control chain. Quality control secures that the product is regularly tested to secure quality and safety. Figure 2.

    Get Price
  • Rapid expansion of expandable rock bolts from Virsbo - SSAB

    One of the rapidly growing product groups last year and this has been the SSAB ERB - expandable rock bolts that are produced in Virsbo, Sweden. Expandable rock bolts are used in underground mines and road and railway tunnels for example. SSAB has been a producer to several leading distributors of rock bolts since 1979, and with our own steelmaking, profiling and assembly of the …

    Get Price
  • WATER EXPANDABLE BOLT

    MIDAS - Expandable Friction bolt is used for temporary rock reinforcement in underground works. This rock bolt is made of a welded tube folded on itself and sealed at one end while the other end . is consisting of special head bushing used for inflation. It …

    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
  • Expandable Rock Bolts - SSAB

    SSAB's expandable rock bolts are available in two types, called SSAB ERB and SSAB ERB+ series. Each series includes products with three load capacity variants: ERB 120 with a load capacity of 12 mt, ERB 160 with a load capacity of 16 mt and ERB 240 with load capacity of 24 mt. Elongation characteristics is the main difference between the ...

    Get Price
  • AMERICAS

    Minova Expandable Rock Bolts (EXRB) offer fast and reliable rock reinforcement with assured quality and guaranteed mechanical properties. Minova EXRB consists of a folded steel tube with upper bushing and inflation bushing welded at each end of the tube. A specially designed adjustable face …

    Get Price
  • EMC EXPANDABLE ROCK BOLTS - Onix Underground

    emc expandable rock bolts For ONIX Underground offering the highest quality of our products is crucial. For that reason, we are really proud to work and establish a business partnership with EMCOR Underground, being able to offer and marketing the best expandable bolt in the market, the EMC Rock Bolt.

    Get Price
  • M3 Expandable Rock Bolt

    M3 expandable rock bolts offer superior quality that responds to the most demanding roof support applications. Its high load capacity and excellent elongation properties ensure safer working conditions and faster excavation cycles. This latest generation of rock bolt includes these improvements: • Redesigned Tooling to reduce the thinning in ...

    Get Price
  • MegaBolt Water Expandable Rock Bolt (ERB) - Argentium

    MEGA Bolt Water Expandable Rock Bolt (ERB) The MEGA Bolt ERB range features friction bolts with superior product characteristics to meet the most demanding roof support applications. The high-load bearing capacity combined with excellent elongation properties ensure safer working conditions and faster excavation cycles for low costs.

    Get Price
  • SSAB ERB, Expandable Rock Bolts – A new member to ...

    Expandable rock bolts are manufactured from unique SSAB steel in the Nordics. Each production stage from steel manufacturing to profiling and assembling of rock bolts belongs to SSAB's own production and quality control chain. Quality control secures that the product …

    Get Price
  • Rapid expansion of expandable rock bolts from Virsbo -

    One of the rapidly growing product groups last year and this has been the SSAB ERB - expandable rock bolts that are produced in Virsbo, Sweden. Expandable rock bolts are used in underground mines and road and railway tunnels for example. SSAB has been a producer to several leading distributors of rock bolts since 1979, and with our own steelmaking, profiling and assembly of the final SSAB ERB ...

    Get Price
  • WATER EXPANDABLE BOLT

    MIDAS - Expandable Friction bolt is used for temporary rock reinforcement in underground works. This rock bolt is made of a welded tube folded on itself and sealed at one end while the other end . is consisting of special head bushing used for inflation. It is expanded using a high-pressure water . pump.

    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
  • Comparative Susceptibility to Corrosion of Coated ...

    2019-1-29u2002·u2002As indicated in Table 1, expandable bolts and friction rock stabilizers are relatively more susceptible to corrosion.Expandable rock bolts come in the form of a circular steel tube folded to reduce their diameter that are placed in a drilled hole and expanded hydrostatically by high-pressure water, which inflates the tube resulting in a small elastic expansion of the borehole diameter.

    Get Price
  • Expandable Rock Bolts - SSAB

    SSAB's expandable rock bolts consist of folded steel tube with upper bushing and inflation bushing welded at each end of the tube. Connector enables deep hole rock reinforcement. Face plate can be delivered as option. ERB requires extremely good elongation i.e. formability performance of the bolt.

    Get Price
  • M3 Expandable Rock Bolt

    M3 Expandable Rock Bolt. M3 expandable rock bolts offer superior quality that responds to the most demanding roof support applications. Its high load capacity and excellent elongation properties ensure safer working conditions and faster excavation cycles. This latest generation of rock bolt includes these improvements:

    Get Price
  • ROCK BOLTS PYTHON BOLT Our best expandable rock

    2019-3-1u2002·u2002M3™ * Expandable Rock Bolt Improved design and tooling means greater consistency and reliability. Our best expandable rock bolt yet! * Domestically Manufactured. The M3 is the subject of pending U.S. patent applications issued to FCI Holdings Delaware, Inc. 13 ROCK BOLTS & ACCESSORIES www.jennmar.com.au • +61 2 4648 7500 Features

    Get Price
  • OMEGA-BOLT® Expandable Friction Bolts - DSI

    Basic Concept The main application of the OMEGA-BOLT ® expandable friction bolt is temporary rock reinforcement for Underground applications. Bonding forces between the friction bolt and the ground are caused by form closure (mechanical interlocking) and friction transfer between the borehole wall and the bolt, which is expanded by hydraulic pressure.

    Get Price
  • International Journal of Mining Science and Technology

    Expandable rock bolts have been widely used for rock reinforce- ments, particularly in underground hard rock mines, for over 35 years due to low …

    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 Anchor, Utility Expanding Rock Anchor Manufacturer ...

    A rock anchor is an elongated engineering tool, usually made of a sturdy metal such as steel. They are used to transfer tension from the outside to the inside of a solid material such as rock or concrete. The purpose of this to maximise the stability or the safety of the structure (or both).

    Get Price
  • Development and evaluation of corrosion resistant coating ...

    2018-1-1u2002·u2002Expandable rock bolts are widely used in hard rock mines as an efficient ground control product. However, capacity and service life can be significantly reduced if the metallic body is subjected to corrosion. In some hard rock mines in the U.S., highly corrosive ground conditions exist, and it has been reported that inflatable rock bolts have ...

    Get Price
  • Expanding Rock Anchor

    Earth Anchors, Expanding Rock Anchor. Allied Bolt Products, LLC Phone: 516-512-7600 Fax: 516-512-7611 Email: [email protected]

    Get Price
  • Rock Bolt Inspection by Means of RBT Instrument

    2016-7-3u2002·u2002NDT of rock bolts after their installation is a vital issue to ensure safety of staff working at the rock facility as well as sustainable rock reinforcing [1],[2]. Techniques for the inspection of rock bolt integrity have been an issue addressed by various researchers [2-6]. The most natural method is the pullout test, which unfortunately, is a ...

    Get Price
  • Expandable Rock Bolts - SSAB

    SSAB's expandable rock bolts are available in two types, called SSAB ERB and SSAB ERB+ series. Each series includes products with three load capacity variants: ERB 120 with a load capacity of 12 mt, ERB 160 with a load capacity of 16 mt and ERB 240 with load capacity of 24 mt. Elongation characteristics is the main difference between the ...

    Get Price
  • AMERICAS

    Minova Expandable Rock Bolts (EXRB) offer fast and reliable rock reinforcement with assured quality and guaranteed mechanical properties. Minova EXRB consists of a folded steel tube with upper bushing and inflation bushing welded at each end of the tube. A specially designed adjustable face …

    Get Price
  • EMC EXPANDABLE ROCK BOLTS - Onix Underground

    emc expandable rock bolts For ONIX Underground offering the highest quality of our products is crucial. For that reason, we are really proud to work and establish a business partnership with EMCOR Underground, being able to offer and marketing the best expandable bolt in the market, the EMC Rock Bolt.

    Get Price
  • M3 Expandable Rock Bolt

    M3 expandable rock bolts offer superior quality that responds to the most demanding roof support applications. Its high load capacity and excellent elongation properties ensure safer working conditions and faster excavation cycles. This latest generation of rock bolt includes these improvements: • Redesigned Tooling to reduce the thinning in ...

    Get Price
  • MegaBolt Water Expandable Rock Bolt (ERB) - Argentium

    MEGA Bolt Water Expandable Rock Bolt (ERB) The MEGA Bolt ERB range features friction bolts with superior product characteristics to meet the most demanding roof support applications. The high-load bearing capacity combined with excellent elongation properties ensure safer working conditions and faster excavation cycles for low costs.

    Get Price
  • SSAB ERB, Expandable Rock Bolts – A new member to ...

    Expandable rock bolts are manufactured from unique SSAB steel in the Nordics. Each production stage from steel manufacturing to profiling and assembling of rock bolts belongs to SSAB's own production and quality control chain. Quality control secures that the product …

    Get Price
  • Rapid expansion of expandable rock bolts from Virsbo -

    One of the rapidly growing product groups last year and this has been the SSAB ERB - expandable rock bolts that are produced in Virsbo, Sweden. Expandable rock bolts are used in underground mines and road and railway tunnels for example. SSAB has been a producer to several leading distributors of rock bolts since 1979, and with our own steelmaking, profiling and assembly of the final SSAB ERB ...

    Get Price
  • WATER EXPANDABLE BOLT

    MIDAS - Expandable Friction bolt is used for temporary rock reinforcement in underground works. This rock bolt is made of a welded tube folded on itself and sealed at one end while the other end . is consisting of special head bushing used for inflation. It is expanded using a high-pressure water . pump.

    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
  • Comparative Susceptibility to Corrosion of Coated ...

    2019-1-29u2002·u2002As indicated in Table 1, expandable bolts and friction rock stabilizers are relatively more susceptible to corrosion.Expandable rock bolts come in the form of a circular steel tube folded to reduce their diameter that are placed in a drilled hole and expanded hydrostatically by high-pressure water, which inflates the tube resulting in a small elastic expansion of the borehole diameter.

    Get Price
  • Expandable Rock Bolts - SSAB

    SSAB's expandable rock bolts are available in two types, called SSAB ERB and SSAB ERB+ series. Each series includes products with three load capacity variants: ERB 120 with a load capacity of 12 mt, ERB 160 with a load capacity of 16 mt and ERB 240 with load capacity of 24 mt. Elongation characteristics is the main difference between the ...

    Get Price
  • AMERICAS

    Minova Expandable Rock Bolts (EXRB) offer fast and reliable rock reinforcement with assured quality and guaranteed mechanical properties. Minova EXRB consists of a folded steel tube with upper bushing and inflation bushing welded at each end of the tube. A specially designed adjustable face …

    Get Price
  • EMC EXPANDABLE ROCK BOLTS - Onix Underground

    emc expandable rock bolts For ONIX Underground offering the highest quality of our products is crucial. For that reason, we are really proud to work and establish a business partnership with EMCOR Underground, being able to offer and marketing the best expandable bolt …

    Get Price
  • M3 Expandable Rock Bolt

    M3 expandable rock bolts offer superior quality that responds to the most demanding roof support applications. Its high load capacity and excellent elongation properties ensure safer working conditions and faster excavation cycles. This latest generation of rock bolt includes these improvements: • Redesigned Tooling to reduce the thinning in ...

    Get Price
  • MegaBolt Water Expandable Rock Bolt (ERB) - Argentium

    MEGA Bolt Water Expandable Rock Bolt (ERB) The MEGA Bolt ERB range features friction bolts with superior product characteristics to meet the most demanding roof support applications. The high-load bearing capacity combined with excellent elongation properties ensure safer working conditions and faster excavation cycles for low costs.

    Get Price
  • SSAB ERB, Expandable Rock Bolts – A new member to ...

    Expandable rock bolts are manufactured from unique SSAB steel in the Nordics. Each production stage from steel manufacturing to profiling and assembling of rock bolts belongs to SSAB's own production and quality control chain. Quality control secures that the product …

    Get Price
  • Rapid expansion of expandable rock bolts from Virsbo -

    One of the rapidly growing product groups last year and this has been the SSAB ERB - expandable rock bolts that are produced in Virsbo, Sweden. Expandable rock bolts are used in underground mines and road and railway tunnels for example. SSAB has been a producer to several leading distributors of rock bolts since 1979, and with our own steelmaking, profiling and assembly of the final SSAB ERB ...

    Get Price
  • WATER EXPANDABLE BOLT

    MIDAS - Expandable Friction bolt is used for temporary rock reinforcement in underground works. This rock bolt is made of a welded tube folded on itself and sealed at one end while the other end . is consisting of special head bushing used for inflation. It is expanded using a high-pressure water . pump.

    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
  • Comparative Susceptibility to Corrosion of Coated ...

    2019-1-29u2002·u2002As indicated in Table 1, expandable bolts and friction rock stabilizers are relatively more susceptible to corrosion.Expandable rock bolts come in the form of a circular steel tube folded to reduce their diameter that are placed in a drilled hole and expanded hydrostatically by high-pressure water, which inflates the tube resulting in a small elastic expansion of the borehole diameter.

    Get Price
  • Expandable Rock Bolts - SSAB

    SSAB's expandable rock bolts are available in two types, called SSAB ERB and SSAB ERB+ series. Each series includes products with three load capacity variants: ERB 120 with a load capacity of 12 mt, ERB 160 with a load capacity of 16 mt and ERB 240 with load capacity of 24 mt. Elongation characteristics is the main difference between the ...

    Get Price
  • AMERICAS

    Minova Expandable Rock Bolts (EXRB) offer fast and reliable rock reinforcement with assured quality and guaranteed mechanical properties. Minova EXRB consists of a folded steel tube with upper bushing and inflation bushing welded at each end of the tube. A specially designed adjustable face …

    Get Price
  • EMC EXPANDABLE ROCK BOLTS - Onix Underground

    emc expandable rock bolts For ONIX Underground offering the highest quality of our products is crucial. For that reason, we are really proud to work and establish a business partnership with EMCOR Underground, being able to offer and marketing the best expandable bolt …

    Get Price
  • M3 Expandable Rock Bolt

    M3 expandable rock bolts offer superior quality that responds to the most demanding roof support applications. Its high load capacity and excellent elongation properties ensure safer working conditions and faster excavation cycles. This latest generation of rock bolt includes these improvements: • Redesigned Tooling to reduce the thinning in ...

    Get Price
  • MegaBolt Water Expandable Rock Bolt (ERB) - Argentium

    MEGA Bolt Water Expandable Rock Bolt (ERB) The MEGA Bolt ERB range features friction bolts with superior product characteristics to meet the most demanding roof support applications. The high-load bearing capacity combined with excellent elongation properties ensure safer working conditions and faster excavation cycles for low costs.

    Get Price
  • SSAB ERB, Expandable Rock Bolts – A new member to ...

    Expandable rock bolts are manufactured from unique SSAB steel in the Nordics. Each production stage from steel manufacturing to profiling and assembling of rock bolts belongs to SSAB's own production and quality control chain. Quality control secures that the product …

    Get Price
  • Rapid expansion of expandable rock bolts from Virsbo -

    One of the rapidly growing product groups last year and this has been the SSAB ERB - expandable rock bolts that are produced in Virsbo, Sweden. Expandable rock bolts are used in underground mines and road and railway tunnels for example. SSAB has been a producer to several leading distributors of rock bolts since 1979, and with our own steelmaking, profiling and assembly of the final SSAB ERB ...

    Get Price
  • WATER EXPANDABLE BOLT

    MIDAS - Expandable Friction bolt is used for temporary rock reinforcement in underground works. This rock bolt is made of a welded tube folded on itself and sealed at one end while the other end . is consisting of special head bushing used for inflation. It is expanded using a high-pressure water . pump.

    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
  • Comparative Susceptibility to Corrosion of Coated ...

    2019-1-29u2002·u2002As indicated in Table 1, expandable bolts and friction rock stabilizers are relatively more susceptible to corrosion.Expandable rock bolts come in the form of a circular steel tube folded to reduce their diameter that are placed in a drilled hole and expanded hydrostatically by high-pressure water, which inflates the tube resulting in a small elastic expansion of the borehole diameter.

    Get Price