diff --git a/src/Mod/PartDesign/App/FeatureHole.cpp b/src/Mod/PartDesign/App/FeatureHole.cpp
index 91230d9c7e..3d750e9439 100644
--- a/src/Mod/PartDesign/App/FeatureHole.cpp
+++ b/src/Mod/PartDesign/App/FeatureHole.cpp
@@ -125,7 +125,7 @@ const Hole::ThreadDescription Hole::threadDescription[][171] =
         { "M1.0x0.2", 	1.0,    0.20 },
         { "M1.1x0.2", 	1.1,    0.20 },
         { "M1.2x0.2", 	1.2,    0.20 },
-        { "M1.4z0.2", 	1.4,    0.20 },
+        { "M1.4x0.2", 	1.4,    0.20 },
         { "M1.6x0.2", 	1.6,    0.20 },
         { "M1.8x0.2", 	1.8,    0.20 },
         { "M2x0.25", 	2.0,    0.25 },
@@ -368,7 +368,7 @@ const char* Hole::ThreadClass_ISOmetric_Enums[]  = { "4G", "4H", "5G", "5H", "6G
 
 std::vector<std::string> Hole::HoleCutType_ISOmetricfine_Enums  = { "None", "Counterbore", "Countersink", "Cheesehead (deprecated)", "Countersink socket screw (deprecated)", "Cap screw (deprecated)" };
 const char* Hole::ThreadSize_ISOmetricfine_Enums[]   = {
-    "M1.0x0.2",    "M1.1x0.2",    "M1.2x0.2",    "M1.4z0.2",
+    "M1.0x0.2",    "M1.1x0.2",    "M1.2x0.2",    "M1.4x0.2",
     "M1.6x0.2",    "M1.8x0.2",    "M2x0.25",     "M2.2x0.25",
     "M2.5x0.35",   "M3x0.35",     "M3.5x0.35",
     "M4x0.5",      "M4.5x0.5",    "M5x0.5",      "M5.5x0.5",
diff --git a/src/Mod/PartDesign/Gui/TaskHoleParameters.cpp b/src/Mod/PartDesign/Gui/TaskHoleParameters.cpp
index 1ff7df1452..307e2784f2 100644
--- a/src/Mod/PartDesign/Gui/TaskHoleParameters.cpp
+++ b/src/Mod/PartDesign/Gui/TaskHoleParameters.cpp
@@ -378,7 +378,7 @@ void TaskHoleParameters::threadTypeChanged(int index)
     pcHole->ThreadType.setValue(index);
 
     // Size
-    // the size for ISO type has either foe form "M3x0.35" or just "M3"
+    // the size for ISO type has either the form "M3x0.35" or just "M3"
     // so we need to check if the size contains a 'x'. If yes, check if the string
     // up to the 'x' is exists in the new list
     if (TypeClass == QByteArray("ISO")) {
@@ -386,18 +386,6 @@ void TaskHoleParameters::threadTypeChanged(int index)
             // we have an ISO fine size
             // cut of the part behind the 'x'
             ThreadSizeString = ThreadSizeString.left(ThreadSizeString.indexOf(QString::fromLatin1("x")));
-            
-            // fractions end with a '0' in profile ISO coarse
-            // some translations might use the comma as decimal separator
-            if ((ThreadSizeString.indexOf(QString::fromLatin1(".")) > -1)
-                || (ThreadSizeString.indexOf(QString::fromLatin1(",")) > -1))
-                ThreadSizeString.append(QString::fromLatin1("0"));
-        }
-        else {
-            // fractions don't end with a '0' in profile ISO fine
-            if ((ThreadSizeString.indexOf(QString::fromLatin1(".")) > -1)
-                || (ThreadSizeString.indexOf(QString::fromLatin1(",")) > -1))
-                ThreadSizeString.remove(ThreadSizeString.size()-1, 1);
         }
 
         // search if the string exists in the combobox