Saracen FM Window Lock Gearbox for UPVC Windows - 05058 or 05060

Price £8.00 (Inc. VAT)
£6.67 (Ex. VAT)
(35 reviews) Write a Review
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Saracen FM Window Lock Gearbox

The Saracen FM deadlock gearboxes are often found with the code 05060 or 05058 on the shootbolt extension sockets.

For Product video click here

Gearbox mechanism only. Shootbolt extension arms can be bought by clicking here

Deadlock mechanism systems consist of shootbolt bars and a unique central gearbox with a deadlock. The shootbolts fit into the the gearbox mechanism with a teeth fitting.

Available in backsets:

  • 20mm - those with 05060 printed on the extension socket
  • 22mm - those with 05058 printed on the extension socket


Available with latch size:

  • 9.5mm

  • 11.5mm


You can find the latch size on the end of the latch. See picture below:





 If you're not sure which lock you need for your windows then contact us on 01204 652211

Espag Lock Backset Measuring Guide







To Measure the backset on your window lock you need to measure from the middle of the spindle hole to the front of the face plate. Take a look at the picture below and the red arrows show you where to measure.


The holes that the Bolts go through are a set distance and are the same on ALL window locks (43mm).



35 Reviews Hide Reviews Show Reviews

  • 5
    Dan Carey

    Posted by Dan Carey on Jan 14, 2019

    Great company to deal with at a good price
    Will be purchasing more

  • 5
    Saracen window lock

    Posted by Ruben on Jan 08, 2019

    just the right product at the right price

  • 2
    Window lock

    Posted by A D on Nov 16, 2018

    Ordered 2 One arrived damaged will not use company again

    Comment from Handles and Hinges
    We pride ourselves on customer service and if a product is damaged in transit then simply contact us and we will do our best to put this right. If we don't know then we can't help.

  • 5
    Saracen Window lock gearbox

    Posted by on Nov 11, 2018

    Ordered online over weekend and was delivered Monday. well made sturdy item fitted straight in. hinges and handles website excellent for identifying component.

  • 5
    Saracen Gearbox

    Posted by Cooper on Nov 01, 2018

    Original item as new at a good price, well packaged and promptly shipped, thank you.

  • 5
    100 % satisfied with speed of delivery, price and quality of this item.

    Posted by Andrew Muir on Sep 26, 2018

    Thank you for your assistance which resulted in a quick repair.

  • 5

    Posted by Steve on Sep 20, 2018

    Perfect replacement and excellent customer service

  • 5
    Saracen FM Window Lock Gearbox for UPVC Windows - 05058 or 05060

    Posted by John Hewett on Sep 18, 2018

    Excellent - original manufacturer's equipment. Delivered promptly. Very happy.

  • 4
    Easy to identify on web site.

    Posted by David Kay on Sep 04, 2018

    Difficult to fit,no instructions supplied.Took an hour to sort out as you have to consider the handle position also