1/2X1 1/2 FENDER WASHER ZC ASME B18.22.1 1965 (R 1998) FENDER WASHER ZINC ID 0.525-0.542” OD 1.480-1.520” TH 0.051-0.080” APPR 100LBS=4,200PCS 40LBS=1,680PCS