diff --git a/src/Mod/PartDesign/Resources/Hole/iso10642-fine.json b/src/Mod/PartDesign/Resources/Hole/iso10642-fine.json
index 000c1681e8..c81a54e8da 100644
--- a/src/Mod/PartDesign/Resources/Hole/iso10642-fine.json
+++ b/src/Mod/PartDesign/Resources/Hole/iso10642-fine.json
@@ -9,7 +9,7 @@
     { "thread": "M2.5x0.35", "diameter":  5.6 },
     { "thread": "M3x0.35",   "diameter":  6.7 },
     { "thread": "M4x0.5",    "diameter":  9.0 },
-    { "thread": "M5x0.5",    "diameter": 12.2 },
+    { "thread": "M5x0.5",    "diameter": 11.2 },
     { "thread": "M6x0.75",   "diameter": 13.5 },
     { "thread": "M8x0.75",   "diameter": 18.0 },
     { "thread": "M8x1.0",    "diameter": 18.0 },