600pcs Assorted Internal Tooth Star Lock Washers Kit M3 M4 M5 M6 M8 M10 M12, 501 Original

600pcs Internal Tooth Star Lock Washers Assortment Kit 7 Sizes M3 M4 M5 M6 M8 M10 M12 Push on Locking Washers Quick Speed Star Nut Locking Clips FastenerFeature:1. It is made of high-quality materials and has a long service life;2. Easy to use, all washers are packed in a strong transparent plastic box for easy access.Specification:Product color: blackProduct material: 65 manganese steelSurface treatment: black anodizedScope of application: widely used for shock absorption and insulation in machinery, furniture, electrical appliances, electronic equipment, automobiles, sports equipment, and industrial productionProduct function: The lock washer exerts an elastic force between the head of the fastener and the base material to generate greater friction and rotation resistanceSize:M3*9mm: inner diameter 3mm outer diameter: 9mmM4*12mm: inner diameter 4mm outer diameter: 12mmM5*12mm: inner diameter 5mm outer diameter: 12mmM6*14mm: inner diameter 6mm outer diameter: 14mmM8*18mm: inner diameter 8mm outer diameter: 18mmM10*20mm: inner diameter 10mm outer diameter: 20mmM12*25mm: inner diameter 12mm outer diameter: 25mmNotice:They are small parts, please keep away from children.Note:There may be slight size deviations due to manual measurement, different measuring methods and tools.The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.