diff --git a/src/Mod/PartDesign/App/FeatureHole.cpp b/src/Mod/PartDesign/App/FeatureHole.cpp
index 7aa528ffa9..4cc4cb86e9 100644
--- a/src/Mod/PartDesign/App/FeatureHole.cpp
+++ b/src/Mod/PartDesign/App/FeatureHole.cpp
@@ -94,46 +94,46 @@ const std::vector<Hole::ThreadDescription> Hole::threadDescription[] =
     /* ISO metric threaded Tap-Drill diameters according to ISO 2306 */
     // {name, thread diameter, thread pitch, Tap-Drill diameter}
     {
-        { "M1",     1.0,    0.25,   0.75 },
-        { "M1.1",   1.1,    0.25,   0.85 },
-        { "M1.2",   1.2,    0.25,   0.95 },
-        { "M1.4",   1.4,    0.30,   1.10 },
-        { "M1.6",   1.6,    0.35,   1.25 },
-        { "M1.8",   1.8,    0.35,   1.45 },
-        { "M2",     2.0,    0.40,   1.60 },
-        { "M2.2",   2.2,    0.45,   1.75 },
-        { "M2.5",   2.5,    0.45,   2.05 },
-        { "M3",     3.0,    0.50,   2.50 },
-        { "M3.5",   3.5,    0.60,   2.90 },
-        { "M4",     4.0,    0.70,   3.30 },
-        { "M4.5",   4.5,    0.75,   3.70 },
-        { "M5",     5.0,    0.80,   4.20 },
-        { "M6",     6.0,    1.00,   5.00 },
-        { "M7",     7.0,    1.00,   6.00 },
-        { "M8",     8.0,    1.25,   6.80 },
-        { "M9",     9.0,    1.25,   7.80 },
-        { "M10",    10.0,   1.50,   8.50 },
-        { "M11",    11.0,   1.50,   9.50 },
-        { "M12",    12.0,   1.75,   10.20 },
-        { "M14",    14.0,   2.00,   12.00 },
-        { "M16",    16.0,   2.00,   14.00 },
-        { "M18",    18.0,   2.50,   15.50 },
-        { "M20",    20.0,   2.50,   17.50 },
-        { "M22",    22.0,   2.50,   19.50 },
-        { "M24",    24.0,   3.00,   21.00 },
-        { "M27",    27.0,   3.00,   24.00 },
-        { "M30",    30.0,   3.50,   26.50 },
-        { "M33",    33.0,   3.50,   29.50 },
-        { "M36",    36.0,   4.00,   32.00 },
-        { "M39",    39.0,   4.00,   35.00 },
-        { "M42",    42.0,   4.50,   37.50 },
-        { "M45",    45.0,   4.50,   40.50 },
-        { "M48",    48.0,   5.00,   43.00 },
-        { "M52",    52.0,   5.00,   47.00 },
-        { "M56",    56.0,   5.50,   50.50 },
-        { "M60",    60.0,   5.50,   54.50 },
-        { "M64",    64.0,   6.00,   58.00 },
-        { "M68",    68.0,   6.00,   62.00 },
+        { "M1x0.25",     1.0, 0.25,  0.75 },
+        { "M1.1x0.25",   1.1, 0.25,  0.85 },
+        { "M1.2x0.25",   1.2, 0.25,  0.95 },
+        { "M1.4x0.3",    1.4, 0.30,  1.10 },
+        { "M1.6x0.35",   1.6, 0.35,  1.25 },
+        { "M1.8x0.35",   1.8, 0.35,  1.45 },
+        { "M2x0.4",      2.0, 0.40,  1.60 },
+        { "M2.2x0.45",   2.2, 0.45,  1.75 },
+        { "M2.5x0.45",   2.5, 0.45,  2.05 },
+        { "M3x0.5",      3.0, 0.50,  2.50 },
+        { "M3.5x0.6",    3.5, 0.60,  2.90 },
+        { "M4x0.7",      4.0, 0.70,  3.30 },
+        { "M4.5x0.75",   4.5, 0.75,  3.70 },
+        { "M5x0.8",      5.0, 0.80,  4.20 },
+        { "M6x1.0",      6.0, 1.00,  5.00 },
+        { "M7x1.0",      7.0, 1.00,  6.00 },
+        { "M8x1.25",     8.0, 1.25,  6.80 },
+        { "M9x1.25",     9.0, 1.25,  7.80 },
+        { "M10x1.5",    10.0, 1.50,  8.50 },
+        { "M11x1.5",    11.0, 1.50,  9.50 },
+        { "M12x1.75",   12.0, 1.75, 10.20 },
+        { "M14x2.0",    14.0, 2.00, 12.00 },
+        { "M16x2.0",    16.0, 2.00, 14.00 },
+        { "M18x2.5",    18.0, 2.50, 15.50 },
+        { "M20x2.5",    20.0, 2.50, 17.50 },
+        { "M22x2.5",    22.0, 2.50, 19.50 },
+        { "M24x3.0",    24.0, 3.00, 21.00 },
+        { "M27x3.0",    27.0, 3.00, 24.00 },
+        { "M30x3.5",    30.0, 3.50, 26.50 },
+        { "M33x3.5",    33.0, 3.50, 29.50 },
+        { "M36x4.0",    36.0, 4.00, 32.00 },
+        { "M39x4.0",    39.0, 4.00, 35.00 },
+        { "M42x4.5",    42.0, 4.50, 37.50 },
+        { "M45x4.5",    45.0, 4.50, 40.50 },
+        { "M48x5.0",    48.0, 5.00, 43.00 },
+        { "M52x5.0",    52.0, 5.00, 47.00 },
+        { "M56x5.5",    56.0, 5.50, 50.50 },
+        { "M60x5.5",    60.0, 5.50, 54.50 },
+        { "M64x6.0",    64.0, 6.00, 58.00 },
+        { "M68x6.0",    68.0, 6.00, 62.00 },
      },
     /* ISO metric fine (drill = diameter - pitch) */
     {