... ,Size:4mm to 200 mm 2,standards:GB/DIN/JIS and NON-STANDARD 3,Material:Mn/Stainless stee Washers , Lock washe ... 200 mm also follow the customers' requirementsstandards: GB/DIN/JIS and NON-STANDARD also follow the customers' requirementsMaterial: Mn/Stainless steel ... also follow the customers' requirementsPayment terms: FOB/CIF DIN6798 type A and type J ,type V Lock Washer