Arrow Lock BM13-LB Mortise Lock for Front Door

Arrow Lock BM13-LB Mortise Lock - Front Door delivers exceptional strength and performance, making it an ideal choice for high-traffic environments such as schools, hospitals, and commercial buildings. Engineered with precision, this heavy-duty lock ensures security and durability while requiring minimal maintenance. The BM13-LB features a robust lock body constructed from heavy-gauge steel, coated with zinc dichromate for enhanced corrosion resistance. With a standard door thickness of 1-3/4 inches and a backset of 2-3/4 inches, it is designed for versatile installation. Its armored front is equally impressive, accommodating flat and beveled doors seamlessly. Equipped with a stainless steel latchbolt and a one-piece deadbolt, this lock provides reliable security with a 5/8-inch throw for the latch and a 19/32-inch throw for the deadbolt. The lock's handing is field reversible, allowing for easy adjustments without disassembly. Keying options are extensive, including master keying and high-security cylinders, ensuring tailored solutions for various security needs. With a five-year limited warranty, the Arrow BM13-LB Mortise Lock is a robust choice for professionals seeking a reliable locking solution that combines strength with functionality.

Mortise Lock - Front Door

Lock Body, BM13, 31

The BM Series are engineered for strength and performance, and precisely manufactured to exact standards.

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.

• 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.

Resources

• AM Series / BM Series Cut Sheet
• AM/BM Series Mortise Lock Catalog
• BM Series Mortise Locks Cut Sheet