sm_closure_cnr = 3.0;
wm_thick = 5;
-wm_screw_dia = 4.5; // XXX
-wm_screwdriver_dia = 6.0; // XXX
-wm_screw_around = 4.0; // XXX
+wm_screw_dia = 4.5; // Timco wood screw 40mm, use brown plug
+wm_screwdriver_dia = 8.0; // XXX
+wm_screw_around = 4.0;
wm_screw_slot = 3.5;
-wm_screw_head = 7.5; // XXX
+wm_screw_head = 8.0;
wmb_screw_dia = 5;
wmb_screw_head_dia = 10; // XXX