wmb_screw_dia = 5;
wmb_screw_head_dia = 8.7 + 0.5;
-wmb_screw_around_x = 4; // XXX
-wmb_screw_around_z = 6; // XXX
+wmb_screw_around_x = 4;
+wmb_screw_around_z = 6;
wmb_screw_depth_min = 10;
web_screw_len = 15 + 1;
wmb_nut_across = 8; // XXX
-wmb_nut_around_min = 2; // XXX
+wmb_nut_around_min = 2;
wmb_nut_behind_min = 5;
wmb_nut_th = 4; // XXX
wmb_mount_wall = 4.5;