Inside Diameter: 0.32 inch ( 8mm) ; Outside Diamter: 0.57 inch (14.5mm); Compressed Height: 0.078 inch (2mm)
Commonly used to keep threaded fasteners from loosening.
Material: 304 stainless steel (A2) and no exterior finish, greater strength and corrosion resistance performance than regular stainless steel or zinc plated fasteners.
Package: 100 PCS
Lock washer, also called spring washer, split lock washer are used to keep threaded fasteners from loosening.