Double Washers - Sems ScrewsScrew with washer assembly.Head Type: Pan Head, Ind Hex Head, Hex Head, Ind Hex Washer Head, Truss Head, Fillister Head, Binding Head...etc.Material: Carbon Steel, Alloy Steel, Stainless Steel, Brass.Standard: IFI, JIS, ISO...
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Sems Screw, Self Drilling Screw, Self Tapping Screw, Concrete Screw...
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