产品详细信息
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 .
查看更多
相关证明的文件
没有发现相关证明的文件。
公司详细资料
Shandong Tongrui Mining Technology Co.,Ltd was founded in 2007 in Tai an, Shandong, China. In 2011 we set up GSI(Ground ...