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.
Handles, pulls, latches and other operating devices on accessibledoors shall have a shape that is easy to grasp with one hand anddoes not require grasping, tight pinching or twisting of the wristto operate. Lever operatedmechanisms, push-type mechanismsand “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:
Warranty: Five-year limited.
AM and BM Series Trim Templates
(.pdf, 610 kB)
BM Series Cutsheet
(.pdf, 2.1 MB)
AM and BM Lock Body Templates
(.pdf, 239 kB)
AM and BM Strike Templates
(.pdf, 203 kB)
AM and BM Dummy Trim Template
(.pdf, 36 kB)
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.
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