Yale Lockmaster 28® U-Rail door locks are designed to fit into slim sightline profile systems and are primarily used as a bi-fold door lock. This 2 hook, 2 roller 24mm u-channel variant suits the AluK profile to give fabricators and installers a high-security, top-quality, user-friendly bi-fold locking solution that’s backed by one of the best-known brands in the business for added confidence and peace of mind.

Key features:

• Lockmaster renowned twin hook and anti-lift bolts for enhanced security, strength & usability.
• Deadbolt centre with an easily reversible latch to minimise stock holding
• Pre-compression roller engagements cams achieve excellent weather-proofing
• Suitable for use on traffic doors to provide easy and convenient access without having to open the whole bi-fold door
• Extendable for use with extension rod, extension rod with additional hook gearbox which all require a u-rail joining clip

Dimensions:

• 28mm Backset
• 92mm Lever/lever lock
• 24mm U-rail faceplate for aluminium systems without a eurogroove
• Overall faceplate length 2200mm
• Standard or long versions available (position of the top hook and anti-lift pin to the bottom changes).
  Standard = 1644mm, Long = 1790mm

Keeps to suit:

• 3 piece keeps (separate centre and hook keeps)
• ALUK 3 piece keep set

Guarantee & certifications:

• Secure - PAS24: 2016 compliant
• Long service - Tested to 100,000 cycles with a 10-year mechanical guarantee
• Trusted - Yale Lifetime Security Guarantee
• Durable – Anti-corrosion performance tested to BS EN 1670:2007 Grade 4 with a 10-year surface finish guarantee

Material specifications:

• Lock Case: Galvanised Mild Steel
• U-channel: Mild Steel CS4 – ST2473
• Deadbolt and Latchbolt: Zinc Alloy Casting