EXTSW .507" ID x .990" OD x 1 1/4" thick 316 Stainless Spacer 14 mm ID 316 stainless spacer EXTSW 1/2” ID x 2

EXTSW 1/2” ID x 2 ” OD x 1/4” thick 304 alloy Stainless Washer

The lower rate of general corrosion in mildly corrosive environments gives 316 SS a good atmospheric corrosion resistance in polluted marine atmospheres

567 ID x 1

Some other websites will list their washers as "18-8" or just "stainless steel"

EXTSW .507" ID x .990" OD x 1 1/4" thick 316 Stainless Spacer 14 mm ID 316 stainless spacer EXTSW 1/2” ID x 2EXTSW 1 2 ID x (1" . 988") OD x 1 1 4" thick 316 Stainless Spacer Actual size . 507 ID x . 988 OD x 1. 250 Thick (+ . 003" on all dimensions) . 030 inch Radius OD slightly countersunk ID (no sharp edges) Made in USA. 316 Stainless has the ULTIMATE corrosion resistance.