Description
Arrow Lock AM31 TH 26D Double Mortise Lock – Storeo Series
Arrow AM31 TH 26D Mortise Lock – Double Storeroom combines robust security with exceptional durability, making it an ideal choice for commercial, institutional, and industrial applications. This heavy-duty mortise lock features a T knob and H escutcheon in a sleek satin chrome finish, ensuring both functionality and aesthetic appeal. Engineered for strength, the AM Series boasts a lock case made from heavy gauge steel with a zinc dichromate finish for enhanced corrosion resistance. Its design accommodates standard door thicknesses of 1-3/4 inches and includes a generous 2-3/4 inch backset. The lock can be easily re-handed in the field without disassembly, providing flexibility in various installations. The lock’s stainless steel latchbolt features a two-piece mechanical design with an anti-friction insert, ensuring smooth operation while maintaining security with a 3/4 inch throw. An auxiliary latchbolt adds an extra layer of deadlocking, while a one-piece stainless steel deadbolt ensures reliable protection. With a Grade 1 rating, the Arrow AM31 meets or exceeds performance standards, making it suitable for high-traffic environments such as schools and hospitals. Backed by a five-year limited warranty, this mortise lock is built to last, providing peace of mind and dependable security for any storeroom or facility.
Mortise Lock – Double Storeroo
Double Storeroom Mortise Lock, T Knob, H Escutcheon, Satin Chrome
Arrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength and performance, and precisely manufactured to exacting standards. Arrow mortise locks are intended for heavy duty use in schools, hospitals and commercial buildings where security, durability and low maintenance are required. The lock case is made from heavy gauge steel, with zinc dichromate finish for corrosion resistance and it can be re-handed without disassembling the lock case. A wide selection of trim designs and functions are offered which meet or exceed the performance requirements of ANSI Grade 1.
The AM Series is engineered for strength and performance, and manufactured to exacting standards.
The Arrow AM Seriesmortise 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.
Attributes
Ansi Function: F14 – Store Door
Application: Complete Lock
Base Material: Brass or Bronze
Bolt Projection: 3/4″
Cylinder Type: Conventional Cylinder
Door Thickness: 1-3/4″
Finish: 626/US26D
Fire Rated: 3 Hours {A}
Fire Rating: 3 Hours {A}
Function: 31-Storeroom
Grade: Grade 1
Handing: Field Reversible
Keying: Keyed Different
Keys: Cut
Leverknob Design: T – Knob
Limited Warranty: 5 Years
Lock Face Size: 8″ x 1-1/4″
Of Keys: 2
Pack Height: 4.5″
Pack Length: 9.25″
Pack Qty: 1
Pack Volume: 239.34 in³
Pack Width: 5.75″
Pins: 6
Product Height: 8″
Product Length: 2.88″
Product Width: 2.25″
Roseescutcheon Design: H – Escutcheon
Screws: Combination
Series: AM Series Mortise Locks
Ship Weight: 6 lbs.
Std Keyway: A
Std Strike Height: 4-7/8″
Std Strike Number: 460
Std Strike Type: ASA
Std Strike Width: 1-1/4″
Subtype: Mortise Lock
Type: Locks, Cylinders, Cores, Keyblanks
Unit of Measure: Each
Resources
- AM Series / BM Series Cut Sheet
- AM Series Mortise Locks Cut Sheet
- AM/BM Series Mortise Lock Catalog





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