... , ZP.els Washers1. Products Detailes: 1NameScrew,bolts.nuts2MaterialIron,carbon steel,brass,aluminum,stainless steel3Diameter rangeM3-M16 mm ,the length within ... 0.015,according to the formal quotation sheet12Head typesPan head,round head,round washer head,recessed head13Drive typesSlot, Phillips, Phillips tamper- ... ,pls directly call me at 0086-13798740287 High Quality Stainless Steel Round Washers