Rock Bolt-manufacture,factory,supplier from China

Friction Rock Bolt FunctionsSplit Set is a frictional ground support system.When friction bolt is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radial forces  on rock roof surface along the whole length and firmly holds the rock. Friction Rock Bolt Features&AdvantagesMade from high-strength steel band  Immediate frictional Support in axial and radialIndependent support without plateEasy for installationSimple design, cost-savingAvailable in black, cold galvanizing, or hot dip galvanizedFriction Roc

Hydrabolts Key FeaturesInstallation is rapid and effortlessNo resin or grout is necessaryRemains stable despite blasting vibrations and varying rock strengthsBoasts an extensive expansion range, ensuring even load distribution along the holeDelivers immediate structural support                                       Two designs of Hydrabolts> Hydrabolts> New improved Bolt with non-return valve which li

Functions:Being used with face plate, domed ball,anti-friction washer and nut, Full threadbar bolt can be an effective rock reinforcement system for underground rock support.

Functions:Being used with plate, domed ball,anti-friction washer and nut,Sharp end bolt can be an effective rock reinforcement system for unground rock support.                            Features&Advantages:1.Sharp end can break the resin cartridge easily to improve installation efficiency.2.With pin nut device, nut could help&n

X Pandabolt Key FeaturesInstallation is rapid and effortlessNo resin or grout is necessaryRemains stable despite blasting vibrations and varying rock strengthsBoasts an extensive expansion range, ensuring even load distribution along the holeDelivers immediate structural support                                           Two designs of X Pandabolt> X Pandabolt> New improved Bolt wit

Functions:Being used with plate, domed ball,anti-friction washer and nut, Paddle bolt can be an effective rock reinforcement system for underground rock support. Chemical Paddle Bolt Features&Advantages:1.Available in various of bar configuration.2.The paddle configuration in the end of the boltcan ensure the bolt will be in the middle of the bore hole.

Grooved Bolt Functions:Being used with plate, domed bolt,anti-friction washer and nut, Grooved Bolt can be an effective rock reinforcement system for underground rock support.Grooved Bolt Features&Advantages:1. Available in various of bar configuration.2. The grooved configuration at the end of the bolt ensures that the bolt is located in the middle of the bore hole.3. The grooved configuration will improve resin mixing and consequently provide high bond strength.4. Using a pin nut device, nut could help drive the bolt to mix the resin.5. Used for permanent ground support.6.

Functions:Being used with plate, domed ball,anti-friction washer and nut, Paddle bolt can be an effective rock reinforcement system for underground rock support. Features&Advantages:1.Available in various of bar configuration.2.The paddle configuration in the end of the bolt can ensure the bolt will be in the middle of the bore hole. 3.The paddle configuration will improve resin mixing and consequently provide high bond strength.4. Used for permanent ground support.5.

Ordinary Expansion Bolt Swellex Type Key FeaturesInstallation is rapid and effortlessNo resin or grout is necessaryRemains stable despite blasting vibrations and varying rock strengthsBoasts an extensive expansion range, ensuring even load distribution along the holeDelivers immediate structural support                                                Two designs o

EX Bolt Key FeaturesInstallation is rapid and effortlessNo resin or grout is necessaryRemains stable despite blasting vibrations and varying rock strengthsBoasts an extensive expansion range, ensuring even load distribution along the holeDelivers immediate structural support                                          Two designs of EX Bolt> EX Bolt> New improved Bolt with non-return valve

Friction Bolt -42-2100mm FunctionsFriction Bolt -42-2100mm is a frictional ground support system.When friction bolt is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radial forces  on rock roof surface along the whole length and firmly holds the rock.              Friction Bolt -42-2100mm Features&AdvantagesMade from high strength steel band  Immediate frictional Support in axial and radialIndependent supporting without plateEasy for installationSimple design,cost

Friction Bolt -39-1200mm FunctionsFriction Bolt -39-1200mm is a frictional ground support system.When friction bolt is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radial forces  on rock roof surface along the whole length and firmly holds the rock.                                  Friction Bolt -39-1200mm Features&AdvantagesImmediate frictional Support in axial and radialMade from high strength steel band  I

Friction Bolt -39-1800mm FunctionsFriction Bolt -39-1800mm is a frictional ground support system.When friction bolt is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radial forces  on rock roof surface along the whole length and firmly holds the rock.                             Friction Bolt -39-1800mm Features&AdvantagesMade from high strength steel band  Immediate frictional Support in axial and radialIndependent supporting wit

Friction Bolt-33-900mm FunctionsFriction bolt  is a frictional ground support system.When friction bolt is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radial forces on rock roof surface along the whole length and firmly holds the rock.                      Friction Bolt-33-900mm Features&AdvantagesMade from high strength steel band  Easy for installationImmediate frictional Support in axial and radialIndependent supporting without plateS

Friction Bolt Ground Control FunctionsFriction Bolt(Ground Control) is a frictional ground support system.When Friction Bolt(Ground Control) is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radical forces on rock roof surface along the whole length and firmly holds the rock. Friction Bolt Ground Control Features&AdvantagesMade from high-strength steel band  Immediate frictional Support in axial and radialIndependent support without platesEasy for installationSimple design, cost-savingAvailable in black,

Posi bolt Functions:Posi bolt used with a face plate, domed ball,anti-friction washer, and nut.Posi bolt can be an effective rock reinforcement system for ground support.Posi bolt Features&Advantages:Available in left-hand or right-hand thread.Higher thread ribs compared to other bars,mix resin better and improve anchorage.Suitable for use with either resin cartridges or cement grout.It has equal strength on the entire length.Due to continuous thread on the entire length, the nut can be fastened upward at any place.

Friction Bolt -42-2400mm FunctionsFriction Bolt -42-2400mm is a frictional ground support system.When friction bolt is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radial forces  on rock roof surface along the whole length and firmly holds the rock.                                   Friction Bolt -42-2400mm Features&AdvantagesMade from high strength steel band  Immediate frictional Support in axial and radialIndep

Friction Bolt-39-900mm FunctionsFriction Bolt-39-900mm is a frictional ground support system.When friction bolt is inserted into drilling hole with smaller diameter, the slot partially closes and bolt diameter is compressed, which creates radial forces  on rock roof surface along the whole length and firmly holds the rock.                                          Friction Bolt-39-900mm Features&AdvantagesMade from high strength steel band  Immediate frictional Support in

Resin Bolt Functions:Being used with a face plate, domed ball, and nut.Resin Bolt can be an effective rock reinforcement system for ground support.                                        Resin Bolt Features&Advantages:Available in left hand or right hand tread.Higher thread ribs mix resin better and improve anchorage.Suitable for using with either resin cartridges or cement grout.It has equal strength on the entire length.Due to continuous th

Swellex Hydraulic Bolt Key FeaturesInstallation is rapid and effortlessNo resin or grout is necessaryRemains stable despite blasting vibrations and varying rock strengthsBoasts an extensive expansion range, ensuring even load distribution along the holeDelivers immediate structural support                                         Two designs of Swellex Hydraulic Bolt> Swellex Hydraulic Bolt>

Full Threadbar Bolt Functions:Being used with face plate, domed ball,anti-friction washer and nut. Full treadbar bolt can be an effective rock reinforcement system for ground support.                      Full Threadbar Bolt Features&Advantages:Available in left hand or right hand tread.Higher thread ribs mix resin better and improve anchorage.Suitable for using with either resin cartridges or cement grout.It has equal strength on the entire length. Due to continuous thread on entire length.

Key FeaturesQuick and easy to installNo resin or grout requiredNot affected by blasting vibrations and rock strengthWide expansion range and load distributed evenly over entire length of holeProvides immediate support                        Two designs of Upgrade Expansion Bolt Swellex Type> Upgrade Expansion Bolt Swellex Type> New improved Bolt with non-return valve which limits "spring-back" giving increased pull-out resistance and keeps high strength expansion.Item DescriptionTube Thickness(mm)Inflated Bolt Dia

Spring bolt Functions:Spring bolt used with a face plate, domed ball,anti-friction washer, and nut.A full-thread bar bolt can be an effective rock reinforcement system for ground support.Spring bolt Features&Advantages:Available in left-hand or right-hand thread.Compared with other bars,thread ribs are higher,resin mixing is better,and anchoring effect is better. Suitable for using with either resin cartridges or cement grout.Provide the same tensile strength on the entire length.Due to continuous thread on the entire length,the nut can be tightened upward at any place.

High Strength Anchor Cable Bolt FunctionsCompared with the common rock bolt,High Strength Anchor Cable Bolt could provide higher tensile strength,anti-shearing capacity and incomparable bending capacity, and could prevent the lateral movement of strata.High Strength Anchor Cable Bolt  Features&AdvantagesHigh Strength Anchor Cable BoltSingle strand or twin strand options availableFish hooks fitted to top of cables for retention prior to groutingResin can be used for instant anchoring,while grout for permanent support                 High Str