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Product Description
PDQ’s MJ Series Mortise Deadbolt is a great choice for your high-security needs. It is available with conventional and interchangeable cores along with an ADA-compliant thumb turn for accessibility. With a UL listing and a 10-year warranty, our mortise deadbolt is a reliable choice for security and confidence. Connect with a sales rep in your region for assistance in choosing the right door hardware for you!

Docs & Downloads:
See below for the features of our MJ Series Mortise Deadbolt
- A steel case with dichromate coating for corrosion resistance
- A stainless-steel deadbolt for long-lasting reliability
- Comes in 630(US32D) - Satin Stainless Steel Finish
- Opt in for an indicator to display vacant/occupied status
Features & Benefits
Certifications
PDQ’s MJ Series Mortise Deadbolt is certified and tested for top security and peace of mind
- It’s UL/CUL 10C listed for use on 3-hour fire doors, suitable for single doors up to 4’ x 8’
- ADA (Americans with Disabilities Act) and ICC / ANSI 117.1 standards ensures accessibility (Does not apply to 134LH & 134RH Function)
FAQs
What is the MJ Series and how does it differ from a mortise lockset like the MR Series?
The MJ Series is a mortise deadbolt only; it has no latch or lever, unlike the MR Series which combines lever, latch, and deadbolt in one case. MJ is typically specified as a second, standalone locking point on a door already fitted with a separate lever lock or exit device.
Is the MJ mortise deadbolt fire rated?
Yes, it's UL listed for 3 hours on single doors up to 4'0" x 8'0", so it can be specified on fire-rated door assemblies alongside a compatible mortise or exit device lock.
Is the MJ deadbolt ADA compliant?
Most MJ functions meet ADA and ICC/ANSI 117.1 requirements using an ADA-compliant lever-style thumb turn, with the exception of the 134LH and 134RH classroom-style functions, which are not ADA compliant.
Does the MJ Series offer an occupancy indicator?
Yes, an optional vacant/occupied indicator is available, useful for private offices, exam rooms, or restrooms where occupants need a visible signal that the deadbolt is engaged.
What warranty does the MJ mortise deadbolt carry?
What keying options are available for the MJ deadbolt?
MJ accepts a 6 or 7-pin mortise cylinder or an interchangeable core compatible with Best, Falcon, Arrow, and Schlage systems, using the SCC (Schlage C compatible) keyway by default, with master-keying (MK/CMK/GMK) and two keys supplied per lock.
Specifications
Discover key details and specifications of our MJ Series that showcase its strength and reliability - making it ideal for high security applications.
| FOR DOORS: |
• 1-3/4” |
| BACKSET: |
• 2-3/4” |
| CASE: |
• Steel — Dichromated for corrosion resistance |
| FACEPLATE: |
• 1-1/4” x 5-5/8” |
| STRIKE: |
• 1-1/8” x 3-1/2” |
| DEADBOLT: |
• 1” Throw. • Stainless Steel |
| THUMBTURN: |
• ADA Compliant (134LH & 134RH thumbturn varies from standard thumbturn - it is not ADA Compliant) |
| INDICATOR: |
• Vacant/Occupied available |
| HAND: |
• Non-handed except for function MJ134 Classroom. |
| KEYS: |
• Two (2) per Lock |
| KEYWAYS: |
• SCC standard (Schlage C Compatible) • Also available in keyways of other manufacturers |
| INTERCHANGEABLE CORES: |
• 6 or 7-pin • Compatible with Best, Falcon & Arrow • Large Format IC Cores compatible with Schlage |
| CYLINDER: |
• 6 or 7-pin Mortise Cylinder |
| KEYING: |
• Options: MK, CMK or GMK • Zero Bitted (KO), Keyed Different (KD) or Keyed Alike (KA) • Can be keyed into existing master key systems |
| FINISHES: |
• 605 (US3), 606 (US4), 612 (US10), 613E, 622 (US19), 629 (US32), 630 (US32D) |
| CERTIFICATIONS, LISTINGS, COMPLIANCES: |
• UL listed for 3 hours, for single doors up to 4’0”x 8’0” • TAA compliant. Country of origin: Taiwan |
| WARRANTY: |
• 10-Year Limited Warranty |
Download our Section 08710 Specification here.
Finishes
Explore the available finishes for our MJ Series Mortise Deadbolt and choose the perfect one to complement your needs.







Compatible Products
Discover the MJ’s compatible product options that can complement your next project!
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