Double yield tube of rockbolt :In high pressure strata, it can be deformed, reduce and release the stress    Double yield tube of rockbolt    In high pressure strata, it can be deformed, reduce and release the stress in order to protect the rod of bolt...

Point anchoring rock bolt Diameter :16 18 20 22 25mm Contain: all thread bar bolt, non-rib or rib thread bolt,slot and wedge Point anchoring rock bolt Point anchoring rock boltis composed of screw thread steel bar , high strength plate ,casting damping nut ,yield tube,...

TIGHTLOK Full Thread Bar Bolt is made of hot rolled ribbed bar (Full bar), which has a coarse left or right thread over its enti  Features Available in left hand or right hand thread.Higher thread ribs compared to others bars, mix resin better and improve...

composed of hot rolled ribbed bar, high strength plate , damping nut ,yield tube, washer , and other accessories Thread Bar Bolt:Tightlok Threadbar Bolt is composed of hot rolled ribbed bar, high strength plate , damping nut ,yield tube, washer , and other accessories.Usually used...

single yield tube of rockbolt :In high pressure strata, it can be deformed, reduce and release the stress    Single yield tube of rockbolt    In high pressure strata, it can be deformed, reduce and release the stress in order to protect the rod of bolt...

good bearing capacity for roof support  wedge type anchor bolt 1.Material: steel 2.Fuction : used as rock bolt for support 3.Diameter : 16mm 18 mm 20mm 22mm  Slot and wedge bolt Slot and wedge bolt is composed by rod ,wedge,plate,nut and so on ,have good bearing capacity...

widely used for mine and tunnel roof support, usually combined together with wire mesh and bolts to form a whole support system W ROOF MAT:TIGHTLOK W Roof Mat, also known as W Steel Mat, W Steel Strap, is widely used for mine and tunnel roof support, usually combined together with...