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3497 anodized aluminum screw cap products are offered for sale by suppliers on Alibaba.com, of which screws accounts for 56%, lids, bottle caps & closures accounts for 6%. A wide variety of anodized aluminum screw cap options are available to you, such as non spill, non-refillable and child-proof.You can also choose from as, stainless steel and iron anodized aluminum screw cap,