Arrow Lock AM17-LB Grade 1 Classroom Mortise Lock

Arrow Lock AM17-LB Grade 1 Classroom Mort Lock delivers robust security and exceptional durability, making it an ideal choice for high-traffic environments such as schools, hospitals, and commercial buildings. Engineered for heavy-duty use, the AM Series is manufactured to meet exacting standards, ensuring low maintenance and reliable operation. This mortise lock features a heavy gauge steel lockcase with a corrosion-resistant zinc dichromate finish, measuring 5-7/8" x 4" x 15/16". Its field-reversible handing allows for easy installation without disassembling the lock case, while the standard door thickness accommodates 1-3/4" doors. The stainless steel latchbolt provides a 5/8" throw and includes an anti-friction insert for smooth operation. Designed for versatility, the AM17-LB offers a variety of architectural finishes in its wrought brass, bronze, or stainless steel faceplate and strike. With a standardized case for uniform mortising and self-aligning trim, installation is simplified, reducing labor costs. Additional features include options for master keying, construction master keying, and interchangeable cores. Backed by a five-year limited warranty, the Arrow AM17-LB is a reliable choice for those seeking a secure and efficient locking solution.

Grade 1 Classroom Mort Lock

Lock Body, AM17, 32, 37

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