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Arrow AM Series Knob Mortise Locks are intended for heavy duty use in schools, hospitals and commercial buildings where security, durability and low maintenance are required. They are engineered for strength and performance, and precisely manufactured to exacting standards.


  • Meets ANSI A156.13 Series 1000, Operational Grade 1.
  • Meets FF-H-106C, Series 86 and 87.
  • All locks UL/ULc listed for A Label and lesser class doors, 4″ (122cm) x 10″
  • (305cm) single or 8″ (244cm) x 10″ (305cm) pair. Letter F and UL
  • symbol on armored front indicate listing.



Handing: Handed; field reversible. The lockset can be re-handed without disassembling the lock case.

Door Thickness: 1-3/4″ (4mm) standard. Optional door thickness available; consult factory.

Backset: 2-3/4″ (70mm).

Lockcase: Heavy gauge steel, with zinc dichromate finish for corrosion resistance. 5-7/8″ (149mm) x 4″ (102mm) x 15/16″ (24mm).

Armored Front: Heavy gauge steel, 8″ (203 mm) x 1-1/4″ (32mm) x 3/32″ (2mm). Accommodates flat doors and doors beveled 1/8″ (3mm) in 2″ (51mm).

Faceplate: Wrought brass or bronze, attached by machine screws to lockcase front.

Latchbolt: Stainless steel, 2 piece mechanical with anti-friction insert. 5/8″ (16mm) x 1″ (25mm) x 3/4″ (19mm) throw.

Auxiliary Latchbolt: 9/16″ (14mm) effective throw and 3/8″ (10mm) effective auxiliary latch deadlocking.

Deadbolt: One-piece stainless steel, 19/32″ (15mm) x 1 1/4″ (32mm) x 1″ (25mm) throw.

Hub: Knob: nickel steel, 5/16″ (8mm) and 9/32″.

Spacing: Center to center, hub to cylinder: 3-5/8″ (92mm). Center to center, hub to turnpiece: 2-7/16″ (62 mm).

Strike: Wrought brass or bronze, ANSI straight lip standard, 4-7/8″ (124mm) x 1-1/4″ (32mm) 1-1/8″ (29mm) lip to center. Optional strikes, lip lengths and ANSI wrought strike box available.

Keys: Two nickel silver standard.

Keying Features Available:

  • Master keying
  • Construction master keying
  • Visual key control
  • Concealed key control
  • High security cylinder
  • Interchangeable core (IC) – Pointe, Pointe Flex

Warranty: Five-year limited.

Find out more by emailing us.