As the professional manufacturer, we would like to provide you stainless steel Hex Washer Flange Self Tapping Bi-Metal Screws with EPDM Washer.

stainless steel  Hex Washer Flange Self Tapping Bi-Metal Screws with EPDM Washer

Screw: also by the head and screw two parts of a class of fasteners, according to the use can be divided into three categories: machine screws, set screws and special purpose screws. Machine screw is mainly used for a tight screw hole parts, and a fastening connection between the parts with a through hole, do not need nuts (this connection form is called screw connection, also belongs to the detachable connection; It can also be used with nuts for fastening connections between two parts with through-holes. Setting screws are mainly used to fix the relative positions between two parts. Special purpose screws such as lifting ring screws for lifting parts.

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