• DB662 Dorma Cylinder x Cylinder Grade 1 Dead Bolt

*Actual product and finish may vary

The Dorma DB662 Cylinder x Cylinder Grade 2 Deadbolt is operated by key either side.

DORMA’s DB600 Series Grade 2 dead bolts provide increased security, reliability, and durability.

DORMA offers a choice of rugged dead bolts to provide an added sense of protection. The DB600 Series are Grade 2 dead bolts with an adjustable 2-3/8"–2-3/4" backset. The 1" throw dead bolt includes a hardened steel roller to prevent sawing through the bolt. The heavy duty cylinders are through-bolted, with reinforced cylinder rings to protect against physical attack.  Brass 6-pin cylinders are provided for security and durability.  The solid steel strike plate reinforcement with 2" screws protects the door jamb against a kick-in attack.

Dorma D800 Series catalog

Recommended Applications

• Apartments

• Municipal Buildings

• Retail Complexes

• Warehouses

Technical Details:

-DB600 Grade 2 Tubular Auxiliary Dead Bolt.

-Dead bolt front manufactured from stainless steel, brass, or bronze depending on the selected finish.

-Stainless steel, brass, or bronze strikes.

-Adjustable 2-3/8”  to 2-3/4” backset, 1” throw dead bolt with hardened steel roller.

-Solid steel reinforced strike plate with 2” screws.


The DORMA D800 is certified to the requirements of ANSI/BHMA A156.5 2001 Grade 2.

The DORMA D800 is U.L/C.U.L. listed as 3-hour rated fire auxiliary lock.

Cylinders and Keying:

• Unless otherwise specified, cylinders will be provided in DORMA standard keyway with two (2) nickel silver keys.

• Optional patented key system available.

• Refer to DORMA Price List for full details and options such as master keying, retrofit cylinders and keyways, and small format interchangeable cores.


Five (5) year limited warranty.


DB662 Dorma Cylinder x Cylinder Grade 1 Dead Bolt

  • Brand: Dorma
  • Product Code: DB662
  • $52.00

Available Options