DXML Series Grade 1 Mortise Lock
The DXML Series Grade 1 Mortise Lock is a heavy-duty commercial mortise lock designed for high-traffic commercial and industrial doors, offering ADA-compliant operation and a 3-hour UL fire rating.
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The DXML Series Mortise Lockset is engineered for heavy-duty commercial and industrial applications where durability and security are critical. Built to meet ANSI/BHMA Grade 1 standards, this mortise lock delivers reliable performance in demanding environments such as offices, institutions, and public facilities.
Featuring a 1-inch throw bolt and heavy-duty mortise lock case, the DXML Series provides enhanced security while maintaining smooth operation. The lock includes a Schlage “C” 6-pin keyway cylinder and is available with either sectional or escutcheon trim styles. ADA-compliant lever options ensure accessibility while the UL-listed 3-hour fire-rated latch makes the lock suitable for fire-rated door assemblies.
DXMLSeries
ANSI/BHMA Grade 1 heavy-duty mortise lock
3-hour UL fire-rated latch (UL R15846)
1-inch throw deadbolt for increased security
Schlage “C” 6-pin keyway mortise cylinder
ADA-compliant lever trim options
Available with sectional or escutcheon trim styles
Technical Specifications
Product Type
Mortise Lockset
Series
DXML Series
Grade
ANSI/BHMA Grade 1
Application
Heavy Duty Commercial and Industrial Doors
Door Thickness
1-3/4 in
Backset
2-3/4 in
Faceplate Size
1-1/4 in × 8 in
Rosette Diameter
2-1/2 in
Cylinder Type
1 in Mortise Cylinder
Keyway
Schlage “C” SC6 Keyway
Keying
6-Pin Keyed
Bolt Throw
1 in Deadbolt
Latch Rating
UL R15846 3 Hour Fire Rated
Trim Options
Sectional (SS) or Escutcheon (SE)
Handing
LH or RH (Field Reversible)
Compliance
ADA Compliant
Warranty
1 Year Mechanical and Finish
Finish
US26D