Pre-stressed Bolt
Specifications
Pre-stressed boltMaterials:HRB335,HRB400,HRB500,HRB600
SPEC.: 16mm,18mm,22mm,25mm
Pre-stressed yield bolt
Damping through the nut in the casting resin anchor agent precisely to the role of stirring and then pre-stressed.
Let pressure device in a high pressure situation,so that yield tube cab be deformed to pressure,buffer and release the pressure surrounding the rock in order to protect against damage to the role of anchor.In order to get a safety of the laneway supporting.
Materials:HRB335,HRB400,HRB500,HRB600
SPEC.: 16mm,18mm,22mm,25mm
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