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The advantage of SL72 door hardware is the enormous stability offered by the long backplate. During installation, I recommend not tightening the bolts too tightly right away. Because the distance between the handle and the key is large, a slight misalignment at the bottom of the backplate can cause the key to jam. During installation, always insert the key into the lock before finally tightening the bolts.
Frequently asked questions about SL72 door fittings
Which keys fit in an SL72 keyway?
The recess is designed for the classic beard key (the well-known room key). The keyhole shape in the keyway is universal for all standard beard keys that fit 72 mm locks.
Can I also get SL72 door hardware in modern colors like black?
Absolutely! Our range includes door hardware with virtually any bolt pattern, including modern finishes like matte black and brushed stainless steel.
How do I install SL72 door hardware on a new interior door?
Make sure you purchase a mortise lock with an SL72 bolt spacing. During installation, use the included bolts to pull the backplates together through the door for maximum stability and tight alignment.
What's the key difference between SL72 door hardware?
SL72 door hardware has a 72 mm center distance between the door handle and the rounded part of the keyhole. This measurement is the standard for interior doors in Germany and is often used in the Netherlands for heavier, high-quality doors.
Why is the SL72 bolt spacing considered robust?
The larger 72 mm spacing allows for more physical space within the lock mechanism than an SL56 variant. This often results in a larger and stronger door lock, which provides a solid feel when operating the latch and key.
