Slot&Wedge Bolt/Kiruna Bolt-manufacture,factory,supplier from China

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.

Accessories List:Pull Collars Hanger Nut Pin Nut  Damping Nut  Domed Ball Washer Barrel&Wedge  Driver Expansion Shell Yield Tube

SpecificationSandwich system is used for buffering and releasing the pressure of the rocks to protect the bolts from damaging and breaking. It could increase the elongation of the bolts.Especially match with cable bolts to form a high tensile strength,high elongation and high anti-shearing capacity support system.This system is also match with Full threadbar bolt,Grooved bolt,Sharp end bolt,Slot&wedge bolt and so on.Please contact us if more details.

Friction Bolt-33-1500mm FunctionsThe Friction Bolt-33-1500mm operates as a ground support system through frictional forces. When the bolt is inserted into a drilled hole with a smaller diameter, the slot compresses, reducing the bolt's diameter.

Friction Bolt-33-1200mm FunctionsFriction Bolt-33-1200mm is a frictional ground support system.When 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-33-1200mm Features&AdvantagesMade from high strength steel band  Independent supporting without plateEasy for installationImmediate frictional Support in axial and radialSimple design,cost savingAvailable in black,cold galvanizing or hot dip galvanizedFric

Friction Bolt-47-1500mm FunctionsFriction Bolt-47-1500mm 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-47-1500mm Features&AdvantagesMade from high strength steel band  Immediate frictional Support in axial and radialIndependent supporting without plateEasy for installationSimple design,cost savingAvailable in black,cold galvanizing or hot dip galv

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 -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-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 -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 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,

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

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 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

42mm Friction bolt Functions42mm Friction bolt (Split sets) is a frictional ground support system.When 42mm 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.Features&AdvantagesAvailable in black,cold galvanizing or hot dip galvanizedMade from high strength steel band  Independent supporting without plateEasy for installationSimple design,cost savingImmediate frictional Support in axial and radial

Split Set Ground Support 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. Split Set Ground Support Features&Advantages    Constructed from durable, high-strength steel banding.        Provides instant frictional support both axially and radially.       &nbs

Friction-Lok Stabilizer 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-Lok Stabilizer 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

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

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.

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

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.

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>

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.

FunctionsFriction Bolt -42-1800mm is a frictional ground support system.