3147 8mm screw cap products are offered for sale by suppliers on Alibaba.com, of which screws accounts for 58%, lids, bottle caps & closures accounts for 1%.
A wide variety of 8mm screw cap options are available to you, such as non spill, eco-friendly.You can also choose from zinc alloy, stainless steel and 304 stainless steel 8mm screw cap,