ShanDong Juye Mining Technology

manufacturer(1)

ShanDong Juye Mining Technology

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q335 33mm friction bolt mining rock bolt split set manufacturer
Specification: dia.16mm length 900mm
Detail: Friction bolt is rollformed into C shape by high tensile steel band. One and tapered for easy insertion into a drill hole. The other end has a welded ring to hole bearing plate. Dia: 33 39 42 47mm


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