... Zinc-plated 3Certificate:ISO9001:2008,SGS. 3We produce by client's Drawings. Carbon steel inner dia M36 bowl washer specification Details ... product:1Inner Dia Size: M362Materials: Q235, carbon steel3Standard: By client's requirements, DIN1127-A,DIN127-B, ASTM F959, JIS B1251, GB ... are being used. We exported to world markets, such as U.S.A., Canada, Cuba, Germany, Japan, Singapore, Malaysia and Africa ...