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3772SS/50 MkII Lock 60mm Backset. 50 mm Door Kit
3772SS/50 MkII Lock 60mm Backset. 50 mm Door Kit
3772SS/50 MkII Lock 60mm Backset. 50 mm Door Kit
3772SS/50 MkII Lock 60mm Backset. 50 mm Door Kit

3772SS/50 MkII Lock 60mm Backset. 50 mm Door Kit

Lockwood

$194.48
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SKU:
STK 3772SS/50
UPC:
9340116079004
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Lockwood 3772SS/50 — MkII Universal Primary Lock 60 mm Backset / 50 mm Door Kit Satin Stainless

The Lockwood 3772SS/50 is a Selector® 3770 Series MkII universal primary lock supplied with a 60 mm backset and factory kit components to suit 50 mm thick doors. Built for heavy-duty commercial performance, it features a stainless steel latch bolt with auxiliary deadlatching, a robust zinc alloy case, and a simple in-door configuration system. This model is ideal for offices, schools, hospitals, and retail buildings requiring reliable security with escape function compatibility.

Delivery truck icon Estimated Warehouse Dispatch: 11 Days
Caution icon Non-Returnable Item: This product cannot be returned once purchased

Key features icon Key Features

  • Backset: 60 mm standard (other backsets available in the 3770 MkII range).
  • Bolt: Stainless steel latch bolt with auxiliary deadlatching bolt.
  • Function Selector: Red/green switch under the faceplate for simple in-door configuration.
  • Faceplate: Satin stainless steel, radius end design.
  • Material: Zinc alloy lock body with stainless steel chassis.
  • Door Thickness: Factory kit supplied for 50 mm doors; other kits available for thicker doors up to 200 mm.
  • Furniture Compatibility: Works with Lockwood rose and plate furniture ranges including Ovation, Artefact, Robert Watson, and VSR Series.

Fire rating icon Fire Rated

  • Tested up to 4 hours on compliant fire door assemblies (AS 1905.1, Part 1).

Specifications icon Specifications

  • Item Code: 3772SS/50
  • Function: Universal primary mortice lock body (MkII platform).
  • Backset: 60 mm.
  • Door Thickness: 50 mm kit supplied (components available for other thicknesses).
  • Bolt: 15 mm stainless steel latch with auxiliary deadlatch.
  • Case: High-purity zinc alloy body, stainless steel chassis.
  • Faceplate: Satin stainless steel (radius ends).
  • Handing: Reversible without case disassembly.
  • Compliance: AS4145.2 (Durability D8, Security S7), AS1905.1 (fire doors).

Contents icon What's In The Box

  • 1 × Lockwood 3772SS/50 mortice lock body (60 mm backset)
  • 1 × Satin stainless steel faceplate
  • 1 × Satin stainless steel strike plate
  • Fixing screws
  • Installation instructions

Suitable uses icon Suitable Uses

  • Commercial and institutional buildings including offices, schools, hospitals, and retail facilities.
  • Fire-rated door installations where a 50 mm door thickness kit is required.
  • Projects needing versatile mortice locks with configurable escape and entry functions.

Product code list icon Selector® 3772 MkII Escape Locks — Item Code Family

Item Code Function Description
3772 / 4772 / 5772 Escape Lock (Primary) Base mortice escape lock, 60 / 89 / 127 mm backset. Inside handle always free, outside handle rigid.
3772V Anti-vandal Escape Lock Outside opened by key when unlocked; inside always free.
3772VT Anti-vandal Escape Lock + Turn Cylinder outside, turn inside; inside always free.
3772X Key Entry Escape Lock Outside opened by key at all times; inside handle always free.
3772XT Key Entry Escape Lock + Turn Outside opened by key; inside opened by turn or handle.
3772-V Escape Lock with Internal Cylinder Inside: handle always free; key inside locks/unlocks outside handle.
3772-T Escape Lock with Turn Inside: handle always free; turnknob locks/unlocks outside handle.
3772VV Anti-vandal Escape Lock with Internal Cylinder Double cylinder; outside key locks/unlocks handle; inside key also operates bolt.
3772XV Key Entry Escape Lock with Internal Cylinder Double cylinder; outside key entry at all times; inside always free.
3772-TA Anti-lockout Escape Lock + Turn Turn inside; outside handle operable when unlocked. Prevents accidental lockout.
3772VTA Anti-lockout, Anti-vandal Escape Lock + Turn Cylinder outside, turn inside; anti-vandal and anti-lockout functions combined.
3772V-H Holdback Anti-vandal Escape Lock Latch can be held in; outside key locks/unlocks; inside always free. Not fire door rated.
3772XVH Holdback Key Entry Escape Lock with Internal Cylinder Double cylinder; holdback function; inside always free. Not fire door rated.
3772VTH Holdback Anti-vandal Escape Lock + Turn Cylinder outside, turn inside; holdback enabled. Not fire door rated.

Accessories icon Selector® 3772 MkII Escape Locks — Accessories & Spares

Item Code Description Notes
3772-FINKITCP / PB / PC Alternative Finish Kits Includes strike, faceplate & screws. CP=Chrome Plate, PB=Polished Brass, PC=Powdercoat.
3772-RK32XX / 3772-RK46XX Fire Rated Rebate Kits Suits 13 mm rebates. Lip lengths 32 mm or 46 mm. Finishes: SS, CP, PB.
3772-AFKITSS / CP / PC Aluminium Door Fixing Kit Converts timber fix to aluminium door fixing. 156×25 mm faceplate. Finishes: Stainless, Chrome Plate, Powdercoat.
3772-STK25 / STK32 / STK43 / STK47 / STK60 Short / Extended Lipped Strikes Lip lengths 25–60 mm. Finishes: SS, CP, PB. (STK60 only in SS).
3772-2100SS / 3772AF-2100SS ES2100 Electric Strike Faceplates Suits Selector® 3770 Series. AF version for aluminium fixing. For monitored electric strikes.
3772-SECKIT Security Faceplate Screw Kit Includes 2 × tamper resistant TR20 torx drive screws.
SP3570-5018 / -5228 / -5238 / -5258 Extended Spindles For thicker doors (32–200 mm). Supplied individually or in packs.
SP3700/X7CAM X7 Cam Latching cam. Retracts latchbolt, locks/unlocks locking bar.
SP3700/VCAM V Cam Locks/unlocks locking bar, retracts latch bolt after unlocking.
3770M2-ADAPTOR Latching/Turn Adaptor Adaptor for MkII mortice locks. Not backwards compatible with MkI.
3772-DXKITSC DX Digital Conversion Kit Includes digital codepad, mounting plate, spindle, screws, and latching adaptor.
3772-DXKOKITSC DX Digital with Key Override Kit As above, with lower cylinder assembly for key override.
3777-KIT Dual Entry Conversion Kit Lower cylinder mounting plate, spindle cam & screws. Converts 3772 to dual entry (two cylinders outside).

Warranty icon Warranty

  • Lockwood 25 Year Mechanical Warranty covers mechanical components and workmanship under normal use and correct installation.
  • Electronic and electrical components are covered for 3 years (PADDE & electric mortice locks 5 years, batteries excluded).
  • Keys are covered for 12 months.
  • Finish warranty varies by finish type and exposure — e.g. Everbrass 25 years; Stainless/Chrome/Anodised 10 years; PVD/VIVID 10 years; Symmetry range 5 years; decorative finishes such as bronze, antique and powdercoat 2 years (natural brass ageing excluded).
  • Warranty excludes misuse, improper installation, modification, or failure to maintain as specified.

PDF icon Download PDF Resources

PDF icon Lockwood Selector 3700 Series Mortice Locks Catalogue
PDF icon Lockwood 25 Year Mechanical Warranty (Conditions Apply)

 

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