The Vault Series is Sun Welding's premier line, offering the best in home security. It's solid 1/2" steel plate door and solid 1/4" body is one of the most superior in the industry. Offering a Group II combination lock or Electronic lock. The lock is protected by a 1/4" hard plate plus 1/2" absorption plate, to resist from impact, drilling, or punch attacks. In addition, the independent four way bolt works are protected by two spring loaded re-locking systems which lock the entire bolt works together. The four way bolt works offers up to eight active bolts on each side of the door, two active bolts on the top, and one active bolt on the bottom of the door.


H60” x W30” x D24”

1148 lbs.


30 Minutes: 425 lbs

60 Minutes: 462 lbs

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