J.W. Winco, Inc. now offers size inch as well as metric size Hollow Knurled Nuts. The new knurled nuts are made of black nylon plastic with a smooth, glossy finish, and have tapped through inserts of zinc plated steel, molded in. On clamping applications, the partially protruding insert prevents chipping of the plastic.
Filed Under: Fastening + joining • locks • latches • pins, Screws • nuts • bolts