Commercial locking hardware is our specialty. We provide professional locksmith services to many businesses and institutions. If a master key system with restricted keyway cylinders is needed, we will provide them. We service and install what we sell. See below a list of what we have available. If we don't stock a particular item, we will special order it for you.

Our Commercial Services Include

  • Access Control (card access systems)

  • Electric Strikes

  • Handicap Door Openers

  • Exit Hardware

  • Pushbutton Mechanical and Electronic Hardware

  • Door Closers

  • Removable Core Systems

  • Commercial Mailboxes

  • Master Key Systems

  • High Security Restricted Key Systems

  • Aluminum Storefront Hardware

  • Lever Handle Hardware

  • Americans with Disabilities Act Compliant Hardware

  • In-Shop Services for Building Maintenance Personnel

  • Rekeying

  • Repairing

  • Key Duplication

  • Keys Cut by Code (desks, cabinets)


Call 617-472-2177

for immediate assistance


- Residential

- Commercial

- Automotive

- Safes


755 Southern Artery, Rte. 3A

Quincy, MA 02169

  • Facebook Social Icon
  • Twitter Social Icon
  • Google+ Social Icon
  • YouTube Social  Icon
  • Pinterest Social Icon
  • Instagram Social Icon

© 2019 by Granite Lock Co., Inc.