EXTSW BEVELED 5/16” ID x 1" (.990") OD x .158/.115” Thick 316 SS, Fits #612 ARP Bolts
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EXTSW BEVELED 5/16” ID x 1" (.990") OD x .158/.115” Thick 316 SS, Fits #612 ARP Bolts

$5.40
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EXTSW BEVELED 5/16” ID x 1" (.990") OD x .158/.115” Thick 316 SS. Recessed .042 x .629 (Fits 5/16" 12 point #612 ARP Bolts)Actual size .323" ID x .990” OD x .158/.115" / 4 mm thick   (Recessed .042 x .629) Beveled(+/- .003 on all dimensions)Made in USA on a CNC latheIt is a beautiful fit for your 5/16” #612 ARP 12 point Stainless boltsJust contact me if you need a custom size washer.316 Stainless Alloy is weldable and has the ULTIMATE corrosion resistance. 316 alloy cost more than 18-8, 303 and 304 and takes more time to drill and machine than the other alloys, but it is the best.  Grade 316 is the standard molybdenum-bearing grade The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent welding characteristics. 316 Grade Alloy Stainless contain a higher percentage of nickel than 304SS. The resultant composition gives a much improved corrosion resista

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