Carbine Alpha CRD-3L1 Double Cylinder Deadlatch – Satin Chrome - Metal Frame - Dr Lock Shop

Carbine Alpha CRD-3L1 Double Cylinder Deadlatch – Satin Chrome - Metal Frame

The Carbine Alpha CRD-3L1 is a double-cylinder surface-mounted deadlatch featuring an internal lever and external key operation. Supplied with a metal frame strike, it’s ideal for metal door frames in residential or commercial settings requiring a robust, compliant, and retrofit-ready solution.

Product Features:

• Double cylinder configuration with internal lever

• Supplied C4 Keyed to Differ (standard)

• Fire-rated for up to 2 hours when holdback is disabled

• AS1428 and NCC compliant lever for disability access

• Includes metal frame strike for secure installation on metal doors

• Reversible latch for inward or outward opening doors

• Directional lever setting (optional downward-only operation)

• Satin chrome finish with concealed fixings

• Marine-grade stainless steel latch bolt

• Internal deadlocking capability (when configured with an internal cylinder)

• Supplied boxed

Keying Options:

• Keyed to Differ – Supplied as standard

• Keyed Alike – Available upon request

• Keyed to Order – Can be matched to an existing system (available upon request)

Extra Keys:

• Supplied with 2 keys as standard, or 2 keys total per order if keyed alike or keyed to an existing system

Technical Details:

• Model: CRD-3L1

• Function: Double Cylinder Standard Deadlatch with Internal Lever

• Backset: 60mm

• Key Profile: C4 (accepts LW4 key blanks)

• Finish: Satin Chrome

• Strike Type: Metal frame

• Door Thickness: 30–50mm

• Packaging: Boxed

Carbine Alpha CRD-3L1 – A durable and accessible deadlatch designed for metal frame doors, combining dependable security with code-compliant lever access.