Product Description: Product Description: Expansion Shell Rock Bolt is a kind of hard rock drill bits, with a specific size range of M8-M30, metric thread type, Hex head type, head size range of 17-50mm, and yield ...learn more
Hex Head Expansion Shell Rock Bolt For Tunneling Yield Strength 11.2-13.2KN

Hex Head Expansion Shell Rock Bolt For Tunneling Yield Strength 11.2-13.2KN
Fuhua
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Cangzhou Fuhua Prestress Technology Co., Ltd

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4 Years
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