MACO offset mushroom bolt espagnolettes for outward opening double glazing windows incorporate all the benefits of safety and security expected of modern window technology in today´s environment.

PLEASE NOTE: Due to postage contraints the 800mm, 1000mm and 1200mm can only be sent via courier and not through the normal mail.

 Available with 20mm or 25mm backset (Click here if you are unsure how to measure the backset)

The width of the faceplate is 16mm

These are described by industry standard lengths, but the actual length may differ slightly. see diagram below for specific measurements.

• 800mm    20 or 25mm backset, window lock / mechanism           (Actual length 780mm)
• 1000mm  20 or 25mm backset, window lock / mechanism           (Actual length 980mm)
• 1200mm  20 or 25mm backset, window lock / mechanism           (Actual length 1180mm)

Shorter lengths also available, click here to go to the "shorter lengths" page

• 310mm    20 or 25mm backset, window lock / mechanism           (Actual length 290mm)
  
• 400mm    20 or 25mm backset, window lock / mechanism           (Actual length 380mm)
• 600mm    20 or 25mm backset, window lock / mechanism           (Actual length 580mm)

Measuring the backset on a window espag mechanism:

Not sure what window lock you need?  Call us on 01204 652211 for free advice

Information from the manufacturer

Offset espagnolette bar designed for profiles without a eurogroove. 
Profile related keeps with night vent position.
Adjustable mushroom cams.
19mm cam travel.
360 hours salt spray corrosion resistance.

Espag Lock Backset Measuring Guide