Arrow Lock AM23-LB Vestibule Mortise Lock

Arrow Lock AM23-LB Mortise Lock - Vestibule offers robust security and durability tailored for high-traffic environments such as schools, hospitals, and commercial buildings. Engineered with precision, the AM Series is designed to withstand heavy use while ensuring low maintenance. This mortise lock features a heavy gauge steel lockcase with a zinc dichromate finish, measuring 5-7/8" x 4" x 15/16", providing excellent corrosion resistance. The lock is handed but can be easily reversed in the field, allowing for flexible installation without disassembly. It accommodates standard door thicknesses of 1-3/4" and a backset of 2-3/4". The AM23-LB includes a stainless steel latchbolt with a 5/8" throw, and a one-piece stainless steel deadbolt offering a 19/32" throw, ensuring reliable locking performance. The lock's strike plate is available in wrought brass, bronze, or stainless steel, enhancing its aesthetic appeal while adhering to ANSI standards. Additionally, this model supports a variety of keying options, including master keying and interchangeable cores, making it adaptable to various security needs. With a five-year limited warranty, the Arrow AM23-LB Mortise Lock is a dependable choice for those seeking strength, functionality, and style in their locking solutions.

Mortise Lock - Vestibule

Lock Body, AM23

The AM Series is engineered for strength and performance, and manufactured to exacting standards.

The Arrow AM Series 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.
• 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, bronze or stainless steel. 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". 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, bronze or stainless steel. 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 • Interchangeable core (IC) - Pointe, Choice Base, Plus, and Flex
• Warranty – Five-year limited.
• Standardized Case – One size case for uniform mortising.
• Reversibility – Locks are easily reversed for change of hand.
• Self Aligning Trim – Standard with rose trim. Eliminates bind, facilitates installation, gives support and saves labor.
• Designs – Broad spectrum of designs including lever handles, knobs for roses and escutcheons in architectural finishes.
• Complete Range of Functions – To meet all requirements.

Resources

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