14633 plastic thread cap products are offered for sale by suppliers on Alibaba.com, of which lids, bottle caps & closures accounts for 9%, pipe fittings accounts for 6%.
A wide variety of plastic thread cap options are available to you, such as vinyl, plastic and pvc.You can also choose from durable, waterproof and non spill plastic thread cap,as well as from iso plastic thread capand whether plastic thread cap is injection molding, or pipe.