Product Name: M4 External Tooth Star Lock Washers
Color: Silver tone
Materia: Made of high quality 304 stainless steel, environmental protection, high hardness, no deformation, rust, suitable for indoor, outdoor or humid environment, long service life.
Size: M4
Inner Diameter (approx.): 5mm/0.19 inch
Outer Diameter (approx.): 8mm/0.31 inch
Package Contents: 100Pcs x M4 External Tooth Star Lock Washers
Application: Suitable for household and commercial appliances, automotive and marine electrical power connections with threaded, bolted connections.