This Winkhaus Thunderbolt multipoint door lock features 5 Deadbolts & 1 Latch.
The Winkhaus Thunderbolt is unique in the multipoint locking market, featuring a pair of chamfered deadbolts at the top and bottom of the lock, making this a 5 deadbolt lock. Thunderbolt multipoint locks are available with lift lever operation, split spindle or key wind.
Like other Winkhaus multipoint locks, Thunderbolts are characterised by their central latch and deadbolt. They will also feature and additional set of twin deadbolts. They are fitted to timber, composite and PVCu doors.
Cobra locks often feature locking distances of 1490mm between the external hooks. This distance has become very popular in the market, with numerous manufacturers adopting this configuration.
The quickest way to identify the product, before removing it from the door, is to check the faceplate. You’ll spot a Winkhaus logo and, often, a Secured by Design logo. The Thunderbolt version will be identified by the chamfered twin deadbolts at the top and bottom of the door.
It is also worth noting that Winkhaus Thunderbolts feature the same gearbox as a Cobra.
Winkhaus designed the ThunderBolt to help door manufacturers when fabricating doors. The Thunderbolt has up to 50% greater fitting tolerances which allows for a greater variation in airgap dimensions when the door is installed.
Usefully, all Winkhaus locks feature the same routing details. Therefore, if you wish to change the locking operation, or upgrade to automatic locking, its a straightforward process. New keeps and handles may be required.
All Winkhaus gearboxes, apart from the AV4 measure 185mm high x backset + 15mm, making them the smallest gearboxes on the market. They measure 64mm between the latch and deadbolt and 63mm from the spindle to the top of the gearbox. They also feature a groove above the spindle to aid in the fitment of handles with a screw above the lever.
Winkhaus Cobra locks always feature a latch and deadbolt in the gearbox. They are available in lift lever, split spindle and key wind operation. These are easily identifiable by the sticker on the side of the gearbox. If the writing is blue, This is lift lever, if its green, then the lock is split spindle, whereas red means key wind. We often will only stock the green, split spindle locks, where both a lift lever and split spindle version are available. This is because the split spindle can be used as a lever operated lock by inserting a solid spindle all the way through the follower. There’s also no price difference between the locks, so the added versatility of the split spindle lock makes it a suitable replacement for a larger range of locks.
Winkhaus gearboxes are attached to the faceplate with a set of rivets. These can be easily removed and replaced for gearbox swaps but makes Winkhaus relatively unique (and therefore easier to identify) in the market. Please refer to our guide and video on how to replace a Winkhaus gearbox for full details.
Please note that you may have encountered a really old Winkhaus gearbox that is attached to the faceplate with screws, with a passivated yellow finish. The sticker on the side (red = key wind and blue = lift lever) will denote the operation of the lock. These locks were handed and are no longer available.
Operation: Lift Lever
To lock the door
1. Lift the handle upwards to engage the locking points.
2. Lock the locking points and main deadbolt (if present) by turning the key.
To unlock the door
1. Unlock the system by turning the key.
2. Push the handle downwards to disengage the locking points and retract the latch.
- Secured by Design
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Tested to 100,000 cycles
We stock a range of associated products for Winkhaus Thunderbolt multipoint door locks, including keeps, spindles, handles and accessories.
You may find this lock used as an UPVC door lock, an aluminium door lock, a timber multipoint door lock or a composite door lock .
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