... Material: SUS200cu. 202cu. 304HC. 316 stainless steel spring washer 1. Standard: DIN, ANSI and non-standard2. Thread: coarse, ... . Total Height: normal or heavy8. Other names: hex lock nut, self-locking nut, nylon-insert lock nut, nylon lock nut or ... ` drawings and/or samples or designed by ourse stainless steel spring washer