Security Product Experts

Keep your property secure with our extensive line of products. Incorporated in 1936, Commonwealth Lock Company has the experience and the knowledge to help you find the door closers, locksets, and key machines that you're looking for.
Door closer

Security Hardware Products

  • Door closers
  • Panic devices
  • Locksets
  • Hinges
  • Key blanks and key machines
  • Builder's hardware
  • Padlocks
  • Video surveillance solutions
  • Bicycle locks
  • Cabinet hardware
  • High-security cylinder
  • Mailboxes
  • Locksmith supplies
  • Travel locks
Lock

We Carry Major Brands in Locksmith Supplies

  • Arrow Lock
  • Corbin Russwin
  • Falcon
  • Master Lock
  • Norton
  • Sargent Manufacturing
  • Schlage
  • Von Duprin
  • Yale
We offer same-day
shipping!
Contact us today!
We accept all major credit cards.
We're members of the Massachusetts Locksmiths Association and the Associated Locksmiths of America.
Brands