Threaded Plug with Gasket UNF 9/16 in x 18 Nylon Yellow

This 9/16-18 UNF threaded protection plug has a wider flange design which keeps dirt, dust or paint flakes away from the hole when removed. The nylon material absorbs paint keeping paint flakes to a minimum. The nitrile gasket seals the plug to the mating surface for a watertight seal.