GY grouting self drilling hollow bar

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GY grouting self drilling hollow bar
Posting date : Jun 04, 2014
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72-
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GY grouting self drilling anchor bolt is a new developed kind of anchor bolts, which combines the operation of drilling, anchoring and grouting during the installation. Different from the conventional anchor bolts, there is no need of pre borehole on the early stage of the installation, thus improving the work efficiency greatly. Brand Name: GY Material: Steel, 40Cr Process: Hot Rolling Model Number: R25, R32L/N/S, R38N, R51L/N, T76N/S, T30/11,T40/16 Ultimate Load: 200-1900KN Yield Point: 150-1600KN Application: Mining, Tunneling, Slope Stabilization, Foundation Pit and Roof Supporting of underground works

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