"Size","Pitch (coarse)","DIN 938 (1 d)","DIN 939 (1.25 d)","DIN 835 (2 d)","DIN 940 (2.5 d)" "M3","0.5","3","3.8","6","7.5" "M4","0.7","4","5","8","10" "M5","0.8","5","6.3","10","12.5" "M6","1","6","7.5","12","15" "M8","1.25","8","10","16","20" "M10","1.5","10","12.5","20","25" "M12","1.75","12","15","24","30" "M14","2","14","17.5","28","35" "M16","2","16","20","32","40" "M18","2.5","18","22.5","36","45" "M20","2.5","20","25","40","50" "M22","2.5","22","27.5","44","55" "M24","3","24","30","48","60" "Reference only — confirm against drawing. DIN 938 · DIN 939 · DIN 835 · DIN 940. REL India"