Millenco Mantis 3 Twin Spindle Hook Gearbox for Multipoint Door Lock 35mm Backset 92 62 PZ

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92mm & 62mm

Millenco Mantis 3 Twin Spindle Hook Latch Gearbox 35mm Backset

This is a replacement gearbox for Millenco Mantis 3 multipoint door locks.

Commonly this is the part that is most likely to be at fault when a lock fails and becomes unusable. Replacing the gearbox is cost effective as it saves having to buy a complete new lock and it is quite easily achieved. The latch is easily adaptable to fit both left and right handed doors, it is designed for use with lever/lever and lever/pad handles


  • Lever/ Lever or Lever/Pad handle operation
  • Unsprung
  • Non Handed - fits both left and right handed doors

What's in the pack?

1 x Millenco Mantis 3 Twin Spindle Hook Latch Gearbox 35mm Backset


  • Lock case length: 227.5mm
  • Lock case depth : 47mm
  • Lock case width: 15mm
  • Centre of latch to centre of deadbolt: 97mm
  • Hook thickness 6mm
  • Hook projection 24mm
  • Distance between faceplate screw holes: First to second screw hole: 108mm; Second to third screw hole: 110mm
  • PZ: 92mm and 62mm
  • Backset: 35mm

Please see technical diagram in gallery.

What should I check before ordering a new door lock gearbox case?

The most important measurements are the backset and the lock handle centres (the distance from the centre of the handle spindle to the centre of the barrel). Both measurements should be checked before ordering to ensure compatibility.

Please see technical diagram in gallery.

Write a Review

2 Reviews Hide Reviews Show Reviews

  • Millenco Mantis 3


    Posted by Eric on 13th May 2021

    This product was everything I expected and the service was excellent Thank you

  • Mantis hook gearbox


    Posted by Steve on 3rd May 2021

    Easy direct swap for a broken gearbox. Cheapest item I found and time will tell if cheap means not long lasting, but all good for now. Only difference from the more expensive ones is that it doesn't come with a Torx bit to change it over. Since I have loads, not a big problem, (but make sure you have one).

We aim to deliver your products as quickly as possible. Orders taken before 6:00am will normally be dispatched the same day. Orders taken after 6:00am on a Friday will be dispatched the following Monday. For all Next Day Delivery Services (next working day excluding Saturday's) please order before 12.00pm for same day dispatch. Depending on the weight and contents of your order, we either use a next-day courier service, or Royal Mail postage service.

Mainland U.K delivery times are 1-3 working days. Northern Ireland, Southern Ireland, Germany and France delivery times are 2 - 5 working days.

No Quibble Money Back Returns Policy

Shop with absolute confidence knowing that if you are not satisfied for any reason we will refund the full purchase price providing you return the item within 30 days and in the same condition as when dispatched. Except for those cases where an item proves to be faulty, damaged on delivery or incorrectly described, return delivery charges and postage expenses are not refunded.

How do I return Items?

If you need to return an item please log into your account and click on the orders tab. Locate the order you wish to return and on the right click on 'Return Items?' You will then be taken to the returns tab; on the right hand side enter the quantity you wish to return; then on the left below the item, select the return reason and then the return action (whether you would like a replacement or a refund). If a replacement is not available, we will issue you a refund. There is a comments box to the right if you need to enter any more details.

Once you are happy that all the details have been correctly entered then click on the 'Submit Return Request' button. You will then be sent a return request email from JCP Hardware with instructions.

If you have placed an order as a guest and you wish to return it, then please email.

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