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20Mnk steel structure for mine support

1)Each part must have good interchangeability, bolts should be installed directly on the card cable board.

2) The surface of clamp should no cracks, burrs and other defects.

3) Clamp bolts should be used with the U-shaped steel material corresponding bar production.                                          

4) Mine bracket, is mainly bending and forging with 15U, 29U,36U,40U profiles, the commen types are single section beam, double section beam, three beams, and the beams with supplementary ground. 

5) Mainly used in deep surface structure,due to the arc shape, bearing capacity is strong,the part of clamp joining, which can adjust the elastic of degrees,so that adapt to the soft geology. Commonly used in coal mine construction, tunnel construction and so on.

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Packaging & Shipping

Packaging: in container or in bulk

Delivery: 10-30 days