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3571 Deadbolt Mortice Lock
3571 Deadbolt Mortice Lock
3571 Deadbolt Mortice Lock
3571 Deadbolt Mortice Lock

3571 Deadbolt Mortice Lock

Lockwood

$270.07 - $337.57
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SKU:
STK 3571
UPC:
7474138913006
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Lockwood Synergy 3571 Deadbolt Mortice Lock

The Lockwood Synergy 3571 is a commercial grade deadbolt mortice lock designed for heavy-duty use in industrial, institutional, and commercial applications. It delivers reliable deadlocking security and is fully compatible with a wide range of Lockwood escutcheons, turns, and plate furniture.

Delivery truck icon Estimated Warehouse Dispatch: 2 Days

Key features icon Key Features

  • Commercial grade deadbolt with 19 mm stainless steel bolt.
  • Suitable for high traffic environments: schools, hospitals, hotels, clubs, offices.
  • Compatible with Lockwood cylinder escutcheons, turns, and plate furniture.
  • Backset options: 60 mm (standard), 89 mm and 127 mm on request.
  • Reversible handing for left or right-hand doors.
  • Multiple function variants available, including single and double cylinder, cylinder & turn, and escape functions.

Fire rating icon Fire Rated

  • Tested up to 4 hours on fire door assemblies (AS1905.1:2005, Part 1).

Specifications icon Specifications

  • Item Code: 3571
  • Bolt: 19 mm stainless steel deadbolt
  • Backsets: 60 mm standard; 89 mm & 127 mm available
  • Door Thickness: 32–50 mm
  • Case Material: High purity zinc alloy with stainless steel faceplate
  • Handing: Reversible
  • Standards: Tested to AS4145.2-2008, Durability D8, Security S7
  • Keying: Supplied keyed to differ, 78,000 key combinations. Compatible with restricted and master key systems.

Suitable uses icon Suitable Uses

  • Commercial and institutional doors requiring high-security deadlocking.
  • Applications needing fire-rated hardware for compliance.
  • Educational, healthcare, hospitality, and public buildings.

Finish options icon Available Finish Options

  • Chrome Plate (CP)
    Chrome Plate
    3571CP
  • Oil Rubbed Bronze (ORB)
    Oil Rubbed Bronze
    3571ORB
  • Polished Brass (PB)
    Polished Brass
    3571PB
  • Satin Chrome (SC)
    Satin Chrome
    3571SC
Item Code Function Description
3571 — Deadbolt Locks
3571 / 4571 / 5571 Primary Deadbolt 60 / 89 / 127 mm backsets, 19 mm stainless steel bolt.
3571Y Single Cylinder Deadbolt Key outside, turn inside (reversible).
3571WT Cylinder & Turn Deadbolt Key outside, turnknob inside.
3571YY Double Cylinder Deadbolt Key both sides (reversible).
3571DEL / DER Escape Deadbolt Key outside, escape turn inside (handed).
3571PT Privacy Deadbolt (Through Fix) Emergency turn escutcheon, screwdriver/coin release outside.
3572 — Vestibule / Latching Locks
3572 / 4572 / 5572 Primary Vestibule Lock 60 / 89 / 127 mm backsets, deadlatch only.
3572Z Classroom Lock Key outside locks/unlocks handle; handle always free inside.
3572X Storeroom Lock Key outside (always rigid handle), free handle inside.
3572XT Entry Lock Key outside + turnknob inside.
3572XZ Double Cylinder Escape Lock Key both sides; handle always free inside.
3572M Anti-Vandal Classroom Lock Outside handle made inoperative by key.
3572EA Privacy Escape Lock Emergency button outside, turn inside (anti-lockout).
3572WA Anti-lockout Escape Lock Locks reset when door is closed or inside handle used.
3572XA Anti-Vandal Entry Lock Key outside, turn inside; prevents forced entry.
3573 — Sliding Door Deadbolts
3573 / 4573 / 5573 Primary Sliding Deadbolt 60 / 89 / 127 mm backsets, deadbolt action for sliding doors.
3573Y Single Cylinder Sliding Deadbolt Key outside, turn inside.
3573WT Cylinder & Turn Deadbolt Key outside, turnknob inside.
3573YY Double Cylinder Sliding Deadbolt Key both sides, recommended for glass doors.
3573DEL / DER Sliding Escape Deadbolt Key outside, escape turn inside (handed).
3573PT Through Fix Privacy Deadbolt Emergency turn escutcheon, coin release 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 Synergy Mortice Locks Catalogue
PDF icon Lockwood 25 Year Mechanical Warranty (Conditions Apply)

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