1-8 x 4 1/2 Hex Cap Screw SS 18-8 (A2)

1-8 x 4 Grade 8 Hex Cap Screw Yellow Zinc Plated

49/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

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7/8-9 x 7 Hex Cap Screw SS 18-8 (A2) 3/4-16 Grade 8 Hex Cap Screws Yellow Zinc Plated 1-8 x 4 1/2 Hex7 8 9 x 7 Hex Cap Screw SS 18 8 (A2) . 18 8 stainless steel hex cap screws 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