Steel pin, cadmium plated, shank 0.189 in. Dia, 0.825 in. Lg, grip 0.500 in. Lg, head 0.367 in. Dia, 0.069 in. H, 10-32unjf-3a thd, hex. Socket bottom of shank 0.08 in. W across flats, cres collar, cadmium plated, 10-32unjf-3b thd, aluminum washer, anodized, 0.340 in. Dia, 0.01 in.Thk