nylon insert locking nut din985 Standard Model:DIN ANSI; ASTM Product size:M3-M100 ... .5, M10-1.25, M10-1.0)3. Surface: full hexagon, no burr and nice flatness4. Class4,6,8,10;Gr2 ... . Total Height: normal or heavyl10. Other names: hex lock nut, self-locking nut, nylon-insert lock nut, nylon lock nut or nylock nut. nylon insert locking ...