• slit and wedge bolt0
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12年6月25日
L/C, T/T

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 .

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相关证明的文件

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公司详细资料

2012年6月25日
Shandong Tongrui Mining Technology Co.,Ltd was founded in 2007 in Tai an, Shandong, China. In 2011 we set up GSI(Ground ...
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