Yale Lockmaster 21
Multipoint Door Lock

Designed, developed and tested to deliver the very highest levels of performance for security, ease of use and service life, Lockmaster has established itself as the market leading multi-point door lock solution. Whether your doors are manufactured from PVCu, timber, aluminium or modern composite materials, there is a Lockmaster product perfectly suited to your needs.

Secure locking points: 3 hooks, 2 anti-lift bolts with 4 rollers and shootbolt extensions

Shootbolt locking: Enables Lockmaster multi-point door locks to be used for French doors and to enhance security for single door applications

Push-in snib feature: designed to prevent accidental lock-outs. Simply push the latch into the gearbox into the hold back position to activate the snib feature. Lift the lever to deactivate the snib. The latch will return to its original position.

Patented pre-compression rollers: Stainless steel roller cams engage into their keeps, compressing the door against the gasket, ahead of the locking points deploying 

Enhanced roller position: within 100mm of the hook and pin locking points for improved testing endurance

Hardened centre case: offers enhanced security

‘Quick change’ reversible latch with snib facility: Handing of the lock can be changed simply in or out of situ. All dual follower locks have a handle driven snib facility to prevent accidental lock outs

35mm and 45mm back set options: Suitable for the majority of timber, PVCu, aluminium and composite door multi-point lock applications in the UK

Stainless steel faceplates: Improving durability, aesthetics and reducing carbon footprint during manufacture

  • 16mm or 20mm faceplate options
  • Square and radius end options
  • Ferritic Stainless Steel

British Built: Lockmaster production including metal pressing, zinc alloy die casting and nylon injection moulding, as well as assembly are carried out on site in Yale’s UK headquarters

13mm axis one piece keeps with profile related packers: Ensure the perfect fit with packers designed to suit your door profile. 13mm axis allows greater loads during security testing

Hardened plastic buckets: screw in, hardened plastic tidy boxes for improved longevity

Long backplate handles recommended

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