Description
The Arrow AM33-LB is a heavy-duty mortise lock built for commercial and institutional doors. Field-reversible handing and a stainless steel latchbolt with anti-friction insert deliver reliable, smooth operation. It fits standard 1-3/4" doors with a 2-3/4" backset and accommodates beveled doors up to 1/8" in 2". Ideal for high-traffic entrances requiring master keying or interchangeable core options.
Compatible with wrought brass, bronze, or stainless steel faceplates and strikes; knob or lever trim available. Five-year warranty covers the lockcase and mechanical components. Contact E.D. Locks at sales@edlocks.com or 1-877-207-6067 for keying configuration, handing selection, and installation support from an authorized Arrow dealer.
Specifications
- Brand: Arrow
- Model: AM33-LB
- Lock Type: Mortise
- Door Thickness: 1-3/4" standard
- Backset: 2-3/4"
- Lockcase Material: Heavy gauge steel, zinc dichromate finish
- Lockcase Dimensions: 5-7/8" x 4" x 15/16"
- Latchbolt: Stainless steel, 2-piece mechanical with anti-friction insert, 5/8" x 1" x 3/4" throw
- Auxiliary Latchbolt: 9/16" effective throw, 3/8" deadlocking
- Deadbolt: One-piece stainless steel, 1" throw
- Armored Front: Heavy gauge steel, 8" x 1-1/4" x 3/32"
- Faceplate Options: Wrought brass, bronze, or stainless steel
- Hub to Cylinder Spacing: 3-5/8" center to center
- Hub to Turnpiece Spacing: 2-7/16" center to center
- Strike: ANSI straight lip standard, 4-7/8" x 1-1/4", 1-1/8" lip to center
- Keying Features: Master keying, construction master keying, visual key control, concealed key control, interchangeable core (Pointe, Choice Base, Plus, Flex)
- Standard Keys: Two nickel silver
- Field Reversible: Yes
- Warranty: Five-year limited
