Sargent and Greenleaf is a company dedicated to providing security. Not just a sense of security, but real security designed to meet real-world needs. We offer mechanical locks that deliver an unbeatable combination of quality and value. Our track record of building first rate mechanical locks stretches over 150 years. Since 1857, Sargent and Greenleaf has provided innovative security solutions to financial institutions, businesses and governments across the globe.

If you are looking to expand your knowledge of safe lock servicing, please download our Mechanical Safe Lock Guide. In this guide you will find installation and operations instruction. Troubleshooting techniques and a guide to the parts that makeup the Sargent and Greenleaf Mechanical locking mechanism.

Mechanical Safe Lock Guide