753 threaded dust caps products are offered for sale by suppliers on Alibaba.com, of which other rubber products accounts for 16%, pipe fittings accounts for 15%, and lids, bottle caps & closures accounts for 3%.
A wide variety of threaded dust caps options are available to you, such as plastic, pp and aluminum.You can also choose from non spill, non-refillable and child-proof threaded dust caps,as well as from black, white, and gold threaded dust caps,