Slit and wedge bolt is composed by rod , wedge, plate, nut and so on , have good bearing capacity for roof support
How to work
Slit wedge rock bolt has five parts : wedge, rod, plate, spherical washer and nut .One end of high strength of rod has a cross slit , swedge can be inserted in , the other end has thread for hold plate , washer , and nut . After drilling the borehole , insert swedge into slit and install other accessories , push the whole rock bolt into the end of borehole, drive external end hard so that wedge can expand cross slit , causing large pressure between interior end and strata . The bolt can be used with cement paste or cement plaster for permanent support .
Feature
(1) Large bearing capacity for roof support
(2) Simple structure and easy installation
(3) When used for permanent support , should be with cement paste or cement plaster
(4) Spherical washer provides up to 180 angle of tilt, ;user friendly rounded corners
Wedge pin
Our round, tapered pins have a milled wedge slot. The shank is designed to eliminate pin sag and improve ease of stripping . Pins are made from steel and are heat-treated for long life. Our company has a long history in producing this kind of products . So if you have any need, please let us know. Thank you for the attention.
