Description
The Falcon T581LD A 643E is an extra heavy-duty Grade 1 cylindrical lock engineered for high-traffic and high-abuse applications. Exceeding ANSI/BHMA Grade 1 testing requirements through its compression spring design, this lock delivers reliable security for institutional facilities, schools, hospitals, and commercial buildings where durability and performance matter most.
This lock accepts any manufacturer's cylinder and features removable cylinders for quick re-keying without door modification, making retrofits simple. Constructed with brass or cold-formed steel components (zinc-plated and dichromated), stainless steel springs, and solid brass cylinder housings, it's built to last. As an authorized Falcon dealer, E.D. Locks provides expert guidance on handing, backset options, and installation. Contact sales@edlocks.com or 1-877-207-6067 for questions on compatibility and specifications.
Specifications
- Grade: ANSI/BHMA Grade 1
- Door Thickness: 1-3/4" to 2-1/8" standard (adapters available for thinner doors)
- Backset: 2-3/4" standard, 2-3/8" available, 5" with link
- Bolt Projection: 9/16" standard, 3/4" available
- Cylinder: 6-pin chambers, pinned in 5 (6 or 7-pin available)
- Keyway: "G" standard ("A" for interchangeable core)
- Handing: Non-handed
- Material: Brass/cold-formed steel, zinc-plated; stainless steel springs; solid brass cylinder housings
- Trim: Heavy wrought brass/bronze roses with pressure cast levers
- Latch Faceplate: 2-1/4" x 1-1/8" standard
- Strike: 4-7/8" x 1-1/4" ANSI with curved lip
- Keys: Two nickel silver keys furnished standard
