"Size","Hole Ø d1 min","Outside Ø d2 max","Thickness h"
"M3","3.2","7","0.5"
"M4","4.3","9","0.8"
"M5","5.3","10","1"
"M6","6.4","12","1.6"
"M8","8.4","16","1.6"
"M10","10.5","20","2"
"M12","13","24","2.5"
"M14","15","28","2.5"
"M16","17","30","3"
"M18","19","34","3"
"M20","21","37","3"
"M22","23","39","3"
"M24","25","44","4"
"Reference only — confirm against drawing. ISO 7089 · DIN 125-1 A. REL India"