HB638 Sliding Door Lock – 55mm Backset with Integrated

The HB638 Series provides various locking configurations with the addition of a finger pull in the forend of the lock body.

Type of use

Commercial, Commercial and Residential, Residential

Features

Configurations available (within the series):

• HB638: Key + Snib both sides. 
• HB637: Key + Snib one side, blank outside.
• HB636: Key + Snib one side, no pull outside

Cylinders are ordered separately, and door thickness must be specified to ensure correct cylinder

Scope of use

• Designed for sliding cavity doors requiring a keyed locking function.
  • Suitable for timber or aluminium doors with wide stiles and minimum 38mm thickness.
  • Ideal for residential and commercial applications needing a secure, flush-mounted sliding door lock.
  • Can be paired with Halliday + Baillie flush pulls (e.g. HB668) and matching finishes for a cohesive hardware package.
  • Compatible with Euro profile cylinders, allowing flexible keying options.
  • addition of a finger pull in the forend of the lock body. 

Specs / Details

Material: Diecast zinc with brass and 316 stainless steel

Backset : 55mm

Minimum door thickness : 38mm

Flush pulls : 250mm x 36mm x 13mm

Suitable for timber or aluminium doors with wide stiles.