Professional Narrow style Lock supplier for Aluminium doors and UPVC doors

Discover Our Big Range of Narrow Style Locks

Narrow Door Lock Classification

Narrow sashlock -Deadbolt single turn

Center to center distance: 85/92mm

Backset: 20/25/30/35mm

Latch/deadbolt: Zinc alloy/ SS304

Forend/ striking plate: SS201/ SS304

Deadbolt 1 turn 13mm

Narrow sashlock -Deadbolt 2-turn

Center to center distance: 92mm

Backset: 25/30/35mm

Latch/deadbolt: Zinc alloy; Satin Nickel finish

Forend/ striking plate:  SS304/ SS316

Deadbolt 2-turn 25mm

Narrow style deadbolt lock

Backset: 30/35 mm

Deadbolt: SS304

Forend/ striking plate:  SS304

Deadbolt 1 turn

Can be used as aluminium door floor lock

Narrow Style Multi-point Lock

Center to center distance: 85/92mm

Backset: 30/35mm

Latch/deadbolt: Zinc alloy

Forend/ striking plate: SS201/ SS304

Deadbolt 1 turn

Professional Euro profile Narrow Lock Supplier in China

Euro Profile narrow stile door lock is a cylinder-shaped lock, it’s also called narrow style lock, slim lock, and narrow profile latches and locks, it’s mainly used for narrow profile aluminium doors and UPVC doors. Generally, the lock backset is 20, 25, 30, and 35mm.

The narrow profile locks include sash lock, passage lock, deadbolt lock, roller lock, bathroom lock, and hook lock. 

For our narrow stile locks, the forend and striking plate are stainless steel material, the latch and deadbolt are zinc alloy material. 

Latch durability test more than 200,000 times; deadbolt durability more than 50,000 times.

Neutral salt spray test for more than 96 hours.


Lock details

ODM Locks

Can’t Find Ideal Narrow Lock For Your Industries?

We provide custom solutions to all our customers and offer free euro profile door lock samples that you can take advantage of.

Cooperative Brand

The most important testing factors for narrow locks

Load & Torque test

Side load 3000N for latch and deadbolt ; follower torque 40NM.

Cycle test

Lock latch cycle test for 200,000 cycles; Deadbolt cycle test for 50,000 cycles.

Corrosion test

Stainless steel material, can pass neutral Salt spray test for 96 hours.

SDH Narrow Profile Mortise lock Meets Your Sourcing Needs

A range of 85mm and 92mm centre lock cases to suit narrow UPVC and Aluminum door stiles. 

Your Reliable Euro Profile Lock Supplier


We SDH hardware as one of the most professional euro profile mortise door lock manufacturer in China for more than 10 years, we have established a strong cooperation with many famous international architectural hardware brand company. 

We know well about the European BS EN standard for architectural hardware. We can help you choose the products suitable for your local market with competitive price. And thanks to our professional team, the conversation between us becomes easy, it’s time-effective for both of us.

Let us know if anything we can help about door hardware, we will not let you down.


Our Factory

Take a deep about our production









Owned factory

We have our own factory in Guangdong and Zhejiang, China. It can achieve the lowest cost produced by ourself, and offer you narror stile locks with a competitive price.



We have produced narrow profile door locks for more than ten years, and we have a very large range of narrow stile door locks for aluminium doors and UPVC doors. And we can develop mould for you if you have special demand.


Quick shipping

We have a big finished locks stock and parts stock for the common articles, which can ensure us to ship the goods quickly to hep you boost the business.


Support service

We make OEM for many big architectural hardware brands, we know how to cooperate with international company. Which allows us to have a high level of customer satisfaction


5 year Warranty

We offer 5 yeas mechnical quality guarantee for all products, we are very confident about our lock's durability and finish due to our high standard producing level.


One stop purchase

We mainly produce door hardware including mortise locks, cylinders, hinges, and lever handles in China, we can also make project specification according to your budget.

FAQ About Narrow stile Locks

There are many different types of mortise lock, we have to choose the lock type according to the door type and using condition.

We have narrow stile sash locks, passage locks, deadbolt locks, and roller locks, etc.

You can check with our sales peolpe if you have any questions when choosing the narrow door locks.

For European standard narrow stile mortise locks, the most common size is  85 and 92mm C-T-C distance. 

In order to suit more door profile, for lock backset, we can make 20,25,30,35,40mm.

For aluminium doors and PVC doors, the lock backset and lock whole width is critically important, we can send you the drawings to confirm if the lock suitable for your profile or not.

7 days for samples;

30 days for regular orders.

Yes, of course.

Free samples are available for you to check the size and quality, and we have stock for regular products, you just need to offer your express collective account like DHL, Fedex, UPS, etc.

Yes, we can offer ODM service.

We have 5 professional engineers who work in the door hardware industry for more than 10 years, we are glad to help and add value to your business.

5 years warranty for mechanical function.

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