Safe Welding & Custom Safe Modifications in NH & ME

Hinge repair, lock replacement, custom interior changes—A&B Lock does it all for your safe.

Extend the Life of Your Safe With Professional Welding & Fabrication

When safes wear down, suffer damage, or need to be adapted for new use, replacement isn’t your only option. A&B Lock and Security offers safe welding and modification services across New Hampshire and Southern Maine. Whether it’s a broken hinge, cracked weld, or a need to change the interior layout—we can help.


Our experienced locksmiths and metalworkers provide precision repairs and creative upgrades that keep your safe secure and functional.

“We thought our old safe was done for, but A&B welded the hinge, reinforced the door, and gave it a second life. Impressive work!” — Bruce Merritt

Safe Welding Services We Provide

  • Hinge replacement and re-welding
  • Reattaching doors or realigning frame components
  • Reinforcing compromised welds
  • Lock replacement requiring fabrication
  • Interior retrofits or shelf modifications
  • Converting antique safes for modern use

When to Consider Safe Welding

  • Damage from attempted break-in or impact
  • Rust or structural fatigue
  • Lock change that doesn’t fit existing cutout
  • Converting old safes to new locking systems
  • Preserving heirloom or antique safes

Safe, Secure, and Professional Repairs

Our team works carefully to preserve your safe’s structural integrity and finish. All work is done by trained professionals using the appropriate materials and techniques for your specific safe type.


We offer mobile service or can complete complex welding jobs in-shop, depending on the scope and size of the safe.

“The welds were clean, strong, and completely solved our issue. Very happy we didn’t have to replace the whole unit.” — Craig Weisman

Request Safe Welding or Modification Services

Call A&B Lock at (603) 527-0192 to discuss your safe repair or customization needs, or submit a request through our contact form. Serving all of NH and Southern Maine.

Call Now: (603) 527-0192