diff --git a/src/Mod/PartDesign/Resources/Hole/iso10642.json b/src/Mod/PartDesign/Resources/Hole/iso10642.json
index 35aafa8a11..44d21bfe37 100644
--- a/src/Mod/PartDesign/Resources/Hole/iso10642.json
+++ b/src/Mod/PartDesign/Resources/Hole/iso10642.json
@@ -4,9 +4,11 @@
     "thread_type": "metric",
     "angle": 90,
     "data": [
+	{ "thread": "M2",   "diameter":  4.7 },
+        { "thread": "M2.5", "diameter":  5.9 },
 	{ "thread": "M3",   "diameter":  6.7 },
 	{ "thread": "M4",   "diameter":  9.0 },
-	{ "thread": "M5",   "diameter": 12.2 },
+	{ "thread": "M5",   "diameter": 11.2 },
 	{ "thread": "M6",   "diameter": 13.4 },
 	{ "thread": "M8",   "diameter": 17.9 },
 	{ "thread": "M10",  "diameter": 22.4 },