4454 black steel threaded cap products are offered for sale by suppliers on Alibaba.com, of which pipe fittings accounts for 3%, lids, bottle caps & closures accounts for 1%.
A wide variety of black steel threaded cap options are available to you, such as plastic, pp and glass.You can also choose from bottle, cans and jars black steel threaded cap,as well as from non spill, eco-friendly, and other black steel threaded cap, and whether black steel threaded cap is black, white, or gold.