Din euro sashlock - 72mm c/c - backset 60mm - radius

ZOO ZDL7255/60 – DIN Euro Sashlock (72 mm Centres, 55 mm & 60 mm Backset)

The ZOO ZDL7255/60 Series is a high-performance DIN Euro sashlock designed for secure latch and deadbolt functionality on doors requiring standard DIN centres. Built for durability and tested to rigorous standards, this lock offers reliable mechanical performance and fire door compatibility for both commercial and residential applications.

Product Overview

The ZDL7255/60 sashlock is engineered with a 72 mm centre distance between the spindle/follower and the key/deadbolt axis, ensuring compatibility with DIN-format lever handles and escutcheons. It is offered with two backset options — 55 mm (ZDL7255SS / ZDL7255RSS) and 60 mm (ZDL7260SS / ZDL7260RSS) — to suit standard door preparations and hardware layouts.

Construction & Materials

• Case: Robust DIN-format sashlock case with a combination of sprung latch and deadbolt.

• Centres: 72 mm distance between spindle/follower and deadbolt centre for DIN handle compatibility.

• Backsets:
  – 55 mm backset model (ZDL7255)
  – 60 mm backset model (ZDL7260)

• Forend & Strike: High-quality SS304 one-piece stainless steel forend and strike plate with either square(ZDL7255SS / ZDL7260SS) or radius profile (ZDL7255RSS / ZDL7260RSS).

• Latch & Deadbolt: Durable SS304 stainless steel latch bolt and double-throw deadbolt for secure engagement.

• Follower: Grip-tight follower ensures consistent engagement with lever handles and minimal play.

• Anti-rattle strike: Included to minimise door frame noise and improve fit.

Performance & Standards

• Mechanical Testing: Successfully tested to BS EN 12209:2003 Grade 3, confirming strong mechanical durability and reliability.

• Fire Testing: Fire tested in accordance with BS EN 1634-1, suitable for use on timber fire doors at 30, 60, 90, and 120 minute ratings, and steel fire doors at 30, 60, 90, 120, and 240 minute ratings when installed with appropriate intumescent seals.

• Certifications: UKCA marked (Certificate AG7883), CE marked (Certificate AG5154), and Certifire approved (CF850) for assured safety and performance.

Dimensions

• Case Size (55 mm backset): Approx. 85 mm (W) × 165 mm (H).

• Case Size (60 mm backset): Approx. 90 mm (W) × 165 mm (H).

• Forend Plate: 235 mm (L) × 22 mm (W) × 3 mm (thick) stainless steel.

• Centres: 72 mm distance between spindle and follower (DIN standard).

Function & Applications

The ZDL7255/60 DIN Euro sashlock combines a sprung latch with a deadbolt to offer secure latch-bolt operation where a key-operated lock is required. Commonly specified where DIN lever handles and escutcheons are fitted, the lock is suitable for internal and light external doors in offices, commercial buildings, residential properties, and retrofit projects requiring improved mechanical security.

Installation & Compatibility

• Designed for mortice installation into standard DIN lock cavities.

• Use with matching DIN lever handles, escutcheons, and a suitable euro profile cylinder where keyed deadlocking is required.

• Available in square or radius profile to suit design preferences and door hardware aesthetics.