Carbine Alpha CRD-4K1 Double Cylinder Deadlatch – Satin Chrome - Open Out - Dr Lock Shop

Carbine Alpha CRD-4K1 Double Cylinder Deadlatch – Satin Chrome - Open Out 

The Carbine Alpha CRD-4K1 is a double cylinder surface-mounted deadlatch featuring an internal knob and external key access, specifically configured with an openout strike for outward-opening doors. Designed for security, flexibility, and easy installation, it’s ideal for residential and light commercial use.

Product Features:

• Double cylinder configuration with internal knob

• Supplied C4 Keyed to Differ (standard)

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

• Includes open-out strike for outward-opening door applications

• Reversible latch suitable for left or right-hand installation

• Satin chrome finish with concealed fixings

• Marine-grade stainless steel latch bolt

• Lockable holdback and optional internal deadlocking (when configured with 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-4K1

• Function: Double Cylinder Standard Deadlatch with Internal Knob

• Backset: 60mm

• Key Profile: C4 (accepts LW4 key blanks)

• Finish: Satin Chrome

• Strike Type: Openout

• Door Thickness: 30–50mm

• Packaging: Boxed

Carbine Alpha CRD-4K1 – A dependable deadlatch built for outward-opening doors, offering secure double-cylinder operation with a durable knob and smart installation flexibility.