Sanko Kasei (Japan) Successfully Develops Resin Double Nut and Bolt
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This product incorporates glass fiber to improve durability by 30%. It is lighter and easier to handle compared with metal bolts and nuts. The product includes a bolt, nut and flange. With a tool, the double nut will separate into two when the bolt goes into the nut, and therefore it only takes once to install or remove the double nut.
This product is mainly used in construction sites which are prone to vibration and which highly require double nuts. The company will initially provide the products in the size of 12mm and later expand the product line with customized variations. The products can be fluorine-coated as an addition.