Factory made hot-sale Stainless Steel Square U-Bolts - Hollow Wall Anchors – Sunshow Detail:
It is a kind of expansion bolt. It uses an expansion clip to grip the walls of embedment holes while the nut is tightened at the top. The collar expands and “wedges” itself against the material wall and shank of the bolt, successfully holding the fixture in place.
Product detail pictures:

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Our pursuit and enterprise goal is to "Always satisfy our customer requirements". We keep on to establish and style and design outstanding top quality goods for both our outdated and new prospects and realize a win-win prospect for our clientele likewise as us for Factory made hot-sale Stainless Steel Square U-Bolts - Hollow Wall Anchors – Sunshow, The product will supply to all over the world, such as: Tanzania, Moldova, Canberra, Our company has always insisted on the business principle of "Quality, Honest, and Customer First" by which we have won the trust of clients both from at home and abroad. If you are interested in our solutions, you should do not hesitate to contact us for further information.

The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.

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