... ,copper,iron 3.Certificate:ISO,DIN,AS 4.Moq:50pcs Lock washer 1.Size: M2-M64 or As request 2.material:stainless ... :ISO,DIN,AS4.Moq:50pcs Dimensions details examples: Product name Lock washer SpecificationM2-M64 or as requestMaterialMild carbon steel, medium carbon steel ... full responsibility for it. superiority Good quality,free for samples. Lock washer Product pohot examples: Lock washer