diff --git a/python/pcb.py b/python/pcb.py
index ef900eeae38d9b2018a9d2efc8848fd12ce6b60a..bca093fdad93298606811bbb63f5a889bd75d72d 100755
--- a/python/pcb.py
+++ b/python/pcb.py
@@ -1378,8 +1378,8 @@ class USB_micro_Elektronik(part):
       #
       y = 2.45/25.4
       x = 4.15/2/25.4
-      self.holes = cylinder(-x,y,zb,zt,0.016)
-      self.holes = add(self.holes,cylinder(x,y,zb,zt,0.016))
+      self.holes = cylinder(-x,y,zb,zt,0.017)
+      self.holes = add(self.holes,cylinder(x,y,zb,zt,0.017))
 
 class USB_micro_AMP(part):
    #
@@ -2729,7 +2729,7 @@ class USB_mini_CUI(part):
       self.labels = []
       p = 0.8/25.4 # pad pitch
       h = 2.5/25.4/2 # pad half height
-      w = 0.5/25.4/2 # pad half width
+      w = 0.0075 # pad half width
       y = 5.48/25.4 # pad position
       pad = cube(-w,w,-h,h,0,0)
       l = 0.006 # text
@@ -2780,9 +2780,9 @@ class USB_mini_CUI(part):
       y = (5.94-2.97)/25.4
       x = 4.4/2/25.4
       self.holes = cylinder(-x,0,zb,zt,0.016)
-      self.holes = add(self.holes,cylinder(x,0,zb,zt,0.016))
+      self.holes = add(self.holes,cylinder(x,0,zb,zt,0.017))
       self.holes = cylinder(-x,y,zb,zt,0.016)
-      self.holes = add(self.holes,cylinder(x,y,zb,zt,0.016))
+      self.holes = add(self.holes,cylinder(x,y,zb,zt,0.017))
 
 class USB_mini_Hirose(part):
    #