Metric Coarse Thread

M6-1 SERR HEX FLG LOCK NUT GR 8.8 ZN

M8-1.25 SERR HEX FLG LOCK NUT GR 8.8 ZN

M10-1.5 SERR HEX FLG LOCK NUT GR 8.8 ZN

M12-1.75 SERR HEX FLG LOCK NUT GR 8.8 ZN

M16-2.0 SERR HEX FLG LOCK NUT GR 8.8 ZN