diff --git a/src/Mod/PartDesign/Resources/Hole/iso10642.json b/src/Mod/PartDesign/Resources/Hole/iso10642.json
index 4ab3affb6d..35aafa8a11 100644
--- a/src/Mod/PartDesign/Resources/Hole/iso10642.json
+++ b/src/Mod/PartDesign/Resources/Hole/iso10642.json
@@ -4,17 +4,14 @@
     "thread_type": "metric",
     "angle": 90,
     "data": [
-    { "thread": "M1.6", "diameter":  3.6 },
-    { "thread": "M2",   "diameter":  4.5 },
-    { "thread": "M2.5", "diameter":  5.6 },
 	{ "thread": "M3",   "diameter":  6.7 },
 	{ "thread": "M4",   "diameter":  9.0 },
 	{ "thread": "M5",   "diameter": 12.2 },
-	{ "thread": "M6",   "diameter": 13.5 },
-	{ "thread": "M8",   "diameter": 18.0 },
+	{ "thread": "M6",   "diameter": 13.4 },
+	{ "thread": "M8",   "diameter": 17.9 },
 	{ "thread": "M10",  "diameter": 22.4 },
-	{ "thread": "M12",  "diameter": 26.8 },
-	{ "thread": "M14",  "diameter": 30.9 },
+	{ "thread": "M12",  "diameter": 26.9 },
+	{ "thread": "M14",  "diameter": 30.8 },
 	{ "thread": "M16",  "diameter": 33.6 },
 	{ "thread": "M20",  "diameter": 40.3 }
     ]
diff --git a/src/Mod/PartDesign/Resources/Hole/iso7046.json b/src/Mod/PartDesign/Resources/Hole/iso7046.json
index 6a4bbec5be..2985b7ba9d 100644
--- a/src/Mod/PartDesign/Resources/Hole/iso7046.json
+++ b/src/Mod/PartDesign/Resources/Hole/iso7046.json
@@ -4,13 +4,15 @@
     "thread_type": "metric",
     "angle": 90,
     "data": [
-    { "thread": "M2",   "diameter":  4.3 },
-    { "thread": "M2.5", "diameter":  5.3 },
+    { "thread": "M1.6", "diameter":  3.6 }
+    { "thread": "M2",   "diameter":  4.4 },
+    { "thread": "M2.5", "diameter":  5.5 },
 	{ "thread": "M3",   "diameter":  6.3 },
-	{ "thread": "M4",   "diameter":  9.5 },
-	{ "thread": "M5",   "diameter": 10.5 },
-	{ "thread": "M6",   "diameter": 12.7 },
-	{ "thread": "M8",   "diameter": 17.7 },
-	{ "thread": "M10",  "diameter": 20.5 }
+	{ "thread": "M3.5", "diameter":  8.2 },
+	{ "thread": "M4",   "diameter":  9.4 },
+	{ "thread": "M5",   "diameter": 10.4 },
+	{ "thread": "M6",   "diameter": 12.6 },
+	{ "thread": "M8",   "diameter": 17.3 },
+	{ "thread": "M10",  "diameter": 20.0 }
     ]
 }