Hello All,
Here are some photos of the bottom of the screw, the mid point, and another of the upper section per your request.

Thanks again for these tips and info.

Click image for larger version.  Name: bottom of screw pic 1_cr.jpg  Views: 487  Size: 146.8 KB  ID: 18237 Click image for larger version.  Name: bottom of screw 2.jpg  Views: 411  Size: 93.2 KB  ID: 18238 Click image for larger version.  Name: _NIK7638 1600.jpg  Views: 458  Size: 153.0 KB  ID: 18239