Material: Carbon Steel Star Washer Internal Tooth Washers, Inner Diameter: More than 100 mm

Star Washers are special types of washers that are made in a star shape. Super Springs is a leading manufacturer and supplier of the different types of the Star Washers that range in size depending on the bolt and nut sizes and the application types. There are internal and external star washers. The Internal Star Washers are used between the nuts and the surface of the material base to tighten the nuts with maximum friction. And the External Star Washers are used to lock the nuts in place after tightening the nuts onto the bolts. The star washers have maximum circumference that can provide more frictions and lock the nut in place.