W steel mat or strap As handling instability to surround rock effect more     W-straps are used to support fracured ground between rock bolt by providing a continuous steel plate between the bolts .W-straps may be bolted to the rock by two or more rock anchors and tends...

As handling instability to surround rock effect, it is best W steel band also calls roof sheet steel band , it is with excellent alloy board cold press , the uses of and various anchor rods form to protect joint body with mutual. The best choice in soft rock and the coal control of roof...

When reaching certain tonnage let press pipe to warp let press release land stress  High and low pressure situations, the stress release is irresistible, so that pressure setting for pressure pipe tonnage, to a certain tonnage to the release of pressure pipe deformation to pressure...

Strength is high Weight is light   Adopt one-step forming process with alloy-steel plate, so it has advantages of high strength, middle anchor holes and well-proportioned force. The force has been increased by more than 60% compared with the pallets of same size.   ...

Stirrer and torque amplifier: is connected with the rock bolt drilling machine and thread bar for mixing resin agent       Stirrer and torque amplifier is connected with the rock bolt drilling machine and thread bar for mixing resin agent or grout cartridge...

Ball Washer Spherical washer is compatible with domed plate in the rock bolt system . Ball WasherBall washer is compatible with domed plate in the rock bolt system ,it can provides up to 180 angle of tilt, has ‘user friendly’ rounded corners ,that can make the...

Ball Washer Spherical washer is compatible with domed plate in the rock bolt system . Ball WasherBall washer is compatible with domed plate in the rock bolt system ,it can provides up to 180 angle of tilt, has ‘user friendly’ rounded corners ,that can make the...

Stirrer and torque amplifier: is connected with the rock bolt drilling machine and thread bar for mixing resin agent       Stirrer and torque amplifier is connected with the rock bolt drilling machine and thread bar for mixing resin agent or grout cartridge...

Mining Star Plate Item:mining star plate Material :steel    Mining Star Plate :a(1)     Can offer a lager bearing area than other common domed square plates in the heavy loading .(2)     The weight is less ,but is...

Rock Bolt Coupling : is connected with the rock bolt drilling machine and thread bar for mixing resin agent      Rock bolt coupling is connected with the rock bolt drilling machine and thread bar for mixing resin agent or grout cartridge...