EXTSW (5/16”/ .341") ID x .716" OD x .275” thick 316 Stainless Spacers
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EXTSW (5/16”/ .341") ID x .716" OD x .275” thick 316 Stainless Spacers

$4.80
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EXTSW 5/16” ID x .716" OD x .275” thick 316 Stainless Spacers Actual size .328” ID x .716" OD x .275” Thick 316 Stainless Spacer (+/-.003" on all dimensions)  .030 inch Radius OD / Countersunk ID (no sharp edges) Made in USA on a CNC lathe It is a beautiful fit for your 5/16” Stainless boltsJust contact me if you need a custom size washer.Some other websites will list their washers as "18-8" or just "stainless steel".316 Grade Alloy Stainless contain a higher percentage of nickel than 304SS. The resultant composition gives a much improved corrosion resistance in many aggressive environments. The molybdenum addition ensures more resistance to pitting and crevice corrosion in chloride-containing media, sea water and chemical environments such as sulfuric acid compounds, phosphoric and acetic acids. The lower rate of general corrosion in mildly corrosive environments gives 316 SS a good atmospheric corrosion resistance in polluted marine atmospheres. 316 SS offers good strength and creep

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