High Quality Lock for Commercial Door
Plain old Schlage locks at Home Depot are very cheaply made and not acceptable.
Emtek seems to be designed better.
Research Links
- Emtek S50023 Square Double Cylinder Stainless Steel Deadbolt
- Ebay: Emtek dead bolt
- Ebay: Emtek square dead bolt
Backset is measured to the center of the knob hole. Or you can take the measurements to the near and far side of the hole and average them and it will give you the distance to the center of the hole.