Increasing the size of a Upvc Door Spindle From 7mm to 8mm can be necessary when you need to change the door handles, however the only handle available requires an 8mm spindle.

Our spindle sleeves sold here: Gardinia Upvc Door Handle Spindles, Screws, Sleeve Shims Repair Parts allows the spindle that passes though the lock mechanism to remain at 7mm, however the part of the spindle which passes though the door handle to be converted to 8mm, allowing both old and new parts to work nicely together.

To better explain and showcase this we have created a video on how to increase a Upvc door spindle form 7mm to 8mm:

Purchase: Gardinia Upvc Door Handle Spindles, Screws, Sleeve Shims Repair Parts

As always do feel free to contact us via the website or send us an email if you have any questions or require any advice.