EXTSW 5/16” ID x (1/2”/ .490") x 5/8” Thick 316 Stainless Spacer

EXTSW 5/16” ID x 1/2” OD x 5/8” Thick 316 Alloy Stainless Spacers 

Actual size .323" ID x .490" OD x .625" Thick 
(+/-.003" all dimensions)

Made in USA on a CNC lathe

.030 inch Radius OD / Countersunk ID (no sharp edges)

It is a beautiful fit for your 5/16” Stainless bolts

Just contact me if you need a custom size washer.

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 resistance and also possesses excellent mechanical and corrosion-resistant properties at sub-zero temperatures.