Grooved Bolt/Paddle bolt-manufacture,factory,supplier from China

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. 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.

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.

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.

Functions:It  is an effective rock reinforcement system for underground roof support.  If there is rock mass deformation, the paddle part will be worked as  anchor points to bear the load and smooth section will absorb energy to  prevent rock fall.Features&Advantages:1.After fully grouted in the bore hole, the paddle part will work as anchor points.

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

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.

Plain Cable Bolt FunctionsCable bolt could provide higher tensile strength,anti-shearing capacity and incomparable bending capacity, and could prevent the lateral movement of strata.Plain Cable Bolt Features&AdvantagesPlain cable bolt Available in single strand or twin strandFish hooks fitted to top of cables for retention prior to groutingResin could be applied for immediate point anchorage and grout for permanent support                 Plain Cable Bolt Mechanical PropertiesItem No.TRCB152TRCB178TRCB189TRCB216TRCB218Diameter(mm)15.217.818.921.

                 

Debonded Spring Bolt Functions:Debonded 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.Debonded Spring Bolt Features&Advantages:Offered with either left-hand or right-hand threading.Enhanced thread ribs ensure better resin mixing and strengthened anchorage.Compatible with both resin cartridges and cement grout.Maintains consistent strength throughout its length.The continuous thread allows for nut fastening at any point along the length, improving material utilization and r

Star Plate For Posi Bolt SpecificationsPlate TypeLength(mm)Width(mm)Thickness(mm)TRSP1501504TRSP1501505TRSP1501506TRSP2002004TRSP2002005TRSP2002006Star Plate For Posi Bolt Features&Advantages        Offered with a dog ear feature for suspending service lines                Designed with rounded corners to minimize mesh damage during loading                The dome shape allows for 18° alignmen

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

Bulb Anchor Cable Bolt FunctionsBulb Anchor Cable Bolt could provide higher tensile strength,anti-shearing capacity and incomparable bending capacity, and could prevent the lateral movement of strata.Bulb Anchor Cable Bolt Features&AdvantagesPlain cable bolt and bulb cable boltThe bulbs can be modified in frequency and diameter based on customer’s request, the diameter is 21mm~38mmAt the top of the Bulb Anchor Cable Bolt, three bulbs to reinforce resin mixing, achieve point anchorage and pretensionFish hooks fitted to top of cables for retention prior to groutingAvailable in single strand

FunctionsCable bolt could provide higher tensile strength,anti-shearing capacity and incomparable bending capacity, and could prevent the lateral movement of strata.Features&AdvantagesPlain cable bolt and bulb cable boltAt the top of the bulb cable bolt, three bulbs to reinforce resin mixing, achieve point anchorage and pretensionThe bulbs can be modified in frequency and diameter based on customer’s request, the diameter is 21mm~38mmPlain or bulbs options available,bulbs available at either 0.5 m or 1 m spacing Available in single strand or twin strandFish hooks fitted to top of cables fo

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.

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

Yielding Cable Bolt FunctionsYielding Cable Bolts could provide higher tensile strength,anti-shearing capacity and incomparable bending capacity,and could prevent the lateral movement of strata.Yielding Cable Bolt AccessoriesFish HooksExpansion shellBarrel&wedgeGrouting tubeBreathing tubeBearing plate                 Yielding Cable Bolt ApplicationMinesTunnelsSlopesPlaces where need ground supportYielding Cable Bolt Length & PackageLength:500mm to 6200mm in pieces or in coilsPackage:20 pcs each bundleAs customer’s require

Swellex Bolt Key FeaturesInstallation is quick and seamless.There's no need for resin or grout.Maintains stability amid blasting vibrations and fluctuating rock strengths.Features a wide expansion range for uniform load distribution throughout the hole.Provides instant structural reinforcement.                                              Two designs of Swellex Bolt>

Flat plate for Cable Bolt SpecificationsPlate TypeLength (mm)Width(mm)Thickness(mm)Unit weight (kg)Dog earTRFP150150122.12NTRFP20020041.26NTRFP20020082.51NTRFP200200123.77NTRFP200200144.40NTRFP200200165.02NFlat plate for Cable Bolt Features&Advantages               Custom sizes can be provided according to the specific needs of customers.                Suitable for mines with limited overhead space.     &nb

Omega Bolt Ground Control 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 Omega Bolt Ground Control> Swellex Bolt> New improved Bolt with non-r

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