Frequently Asked Questions

3540 Series Bolt Suitablity Table

LOCKWOOD PRIMARY LOCK 3641 SC 28mm BOLT NEW 591 METAL STYLE

Product Code: 3641SC

This product is a special order (BTO) and is not returnable.

Suits older sliding or hinged doors.
28mm sintered stainless steel bolt.
23mm backset.
Brass face plate 194mm x 25mm.
Chamfered bolt for better self latching.
Positive deadlocking action.
Can be adapted to suit most function with the addition of appropriate cylinders and turns.
Suits hollow stile door sections with 28mm internal width and 58mm maximum external width.
Incorporates a 570 oval cylinder (not included).
Compatible to most restricted keying systems.
Supplied less strike.
Supplied less escutcheon.
Finished in satin chrome.

Brand	LOCKWOOD
Includes Escutcheons	No
Includes Extended Face Plate	Yes
Backset	23 mm
Face Plate Length in mm	194
Face Plate Width in mm	25
Locking Bolt Length in mm	28
Mortice Lock Case Depth in mm	37
Mortice Lock Case Height in mm	181
Uses Cylinder/Plug Type	570 Oval
Assembly Form	Less Cylinder

Lockwood 3540 Series Mortice Locks