BM Series


Arrow BM Series Lever 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. California State
  • Reference Code All levers with returns comply; levers return to within 1/2" (13mm) of door face.

ADA/Americans with Disabilities Act:
Acceptable Door Hardware: Section 4.13.9

Handles, pulls, latches and other operating devices on accessible
doors shall have a shape that is easy to grasp with one hand and
does not require grasping, tight pinching or twisting of the wrist
to operate. Lever operatedmechanisms, push-type mechanisms
and “U” shaped handles are acceptable designs.




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: Lever: nickel steel, 5/16" (8mm).

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.


AM and BM Series Trim Templates

AM and BM Series Trim Templates (.pdf, 610 kB)

AM and BM Dummy Trim Template

AM and BM Dummy Trim Template (.pdf, 36 kB)

BM Series Cutsheet

BM Series Cutsheet (.pdf, 2.1 MB)

AM and BM Lock Body Templates

AM and BM Lock Body Templates (.pdf, 239 kB)

AM and BM Strike Templates

AM and BM Strike Templates (.pdf, 203 kB)


BM Series Mortise Locks Are Available In:

  • 03 - Bright Brass
  • 04 - Satin Brass
  • 10 - Satin Bronze
  • 10B - Oil Rubbed Bronze
  • 26 Bright Chrome
  • 26D - Satin Chrome
  • 32 - Polished Stainless Steel
  • 32D - Satin Stainless Steel



Arrow offers a full line of BM Lever Mortise Trims, to see the complete selection, please visit the download tab for the ABM Series.


For a complete list of functions associated with the BM Series Lever Mortise lock, please visit the Download tab on the BM Series product page.