Material: 304 Stainless Steel
Type: 304 Stainless Steel Plain Washers Small Series Product Grade A M1.6 M2 M3 M4-M36
Size:  M1.6 M2 M2.5 M3 M3.5 M4 M5, M6, M8, M10, M12, M14, M16, M18, M20-M36
Standard: GB848
System of Measurement: Metric