MS®4043 - Cylinder Guard

With the development of new products Adams Rite is using their experience and innovation to produce quality products for existing and new markets.


The Adams Rite MS® 4043 Cylinder guard offers three forms of defence against somebody trying to prise a standard mortice cylinder out of the door.



  • Designed for use on aluminium and steel doors
  • Resists being pulled off the door by driving a hand tool such as a cold chisel behing the guard.
  • Guarantee 3 years
  • Outer ring bevelled to offer poor grip for prying or twisting
  • Manufactured from hardened steel
  • Can be used on th eoutside and inside of door leaf


Round Cylinders 4036~4056


Security Ring:
 Zinc-plated hardened steel. Free swivelling.
Retainer Plate:Steel with corrosion resistant plating.
Stile Thickness:3.2mm.
Spacers:Supplied. To fit stile wall if thinner than 3.2mm.