PLAIN WASHERS, CHAMFERED - NORMAL SERIES - PRODUCT GRADE A (ISO 7090:2000, IDT)
This Malaysian Standard specifies the characteristics of normal-series, product-grade-A plain washer scham fered at the out side diameter, in the 200 HV and 300 HV hardness classes and of nominal sizes (nominal thread diameters) ranging from 5 mm to 64 mm inclusive.