1) Product name:sleeve anchor with hex head bolt
2) material:steel,stainless steel
3) washer:DIN125A and DIN9012
4) surfacezinc plated
5) the washer is wide ,which gives a bigger allowance for pieces or structures to be fastened.
6) While performing the fixing of the anchor ,the plastic part or ring gets deformed which fills and blocks the hole of the piece or structures to be fastened,this plastics absorbs material irregularities,and in additional it is a useful dampproof piece to protect the inner mechanism of the anchor.
7) Any screw head avaiable as your requirement.
8) The cone has some grooves(milling) in order to prevent the anchor from loose or spin movement after fixing into the hole and ready to expansion.
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