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1/2-13 x 1 3/8 Hex Cap Screw SS 18-8 (A2) (50)
DESCRIPTION
18-8 stainless steel hex cap screws are manufactured to meet or exceed ASTM F593C and will have a typical composition of 18% chromium and 8% nickel. These percentages exist in 303, 304 and 305 series stainless steels so 18-8 is used at times to designate any and all of those alloy groups. 18-8 stainless steel offers good corrosion resistance and machines easily but will over time stain in coastal environments. They are also acceptable for use in ACQ pressure-treated lumber.Brighton-Best International