Steel Security Doors

Factory Wholesale Decoration stainless steel security door

Factory Wholesale Decoration stainless steel security door
Factory Wholesale Decoration stainless steel security door

Product Description

Product Parameters

Product Parameters

Standard Size:

2050*960 (Accept Customization)

Door Leaf Thickness:

68mm (can be customized)

Door Leaf:

Standard 0.8/1.0mm (Accept Customization)

Inner Filling:

Fire door core panel/honeycomb paper(Accept Customization)

Lock Set:

High Quality Main Lock+Side Lock+Up-Down Lock

Surface Treatment:

Heat Transfer(Accept Customization)

Open Direction:



Handle;Lock;Hinge;Peephole;Door Bell;Bolts


Fireproof; Burglarproof

Transaction information

Unit of measurement:



payment method:


Trade terms:




General logistics information

type of shipping:


Port of shipment:

Zhejiang China

Supply capacity:


Packaging method:

1PVC Film+4Conner Protect+White Bubble Bag+Foam Board+Export Carton

Additional information


700,000 pcs/year

HS code:


How Security Door Locks Work: Exploring Their Mechanisms


Security door locks are fundamental components that provide protection and peace of mind. Understanding how these locks work can help you make informed decisions when choosing the right lock for your security needs. In this article, we will explore the mechanisms behind security door locks. 

1. The Basics of Security Door Locks:

   - Key Components:

     - Cylinder: Contains the locking mechanism and keyway.

     - Bolt: Extends from the lock into the door frame to secure it.

   - Locking and Unlocking Process:

     - Inserting the Key: Aligning the key with the keyway.

     - Turning the Key: Engaging the lock's internal mechanism.

     - Bolt Movement: Extending or retracting the bolt for locking or unlocking.

2. Types of Security Door Locks:

   - Pin Tumbler Locks:

     - Most common type of lock.

     - Proper alignment allows the lock cylinder to rotate and the bolt to move.

   - Deadbolt Locks:

     - Provides enhanced security due to a thicker and longer bolt.

     - Requires manual operation to extend or retract the bolt.

     - Offers resistance against forced entry attempts.

   - Electronic Locks:

     - Utilizes electronic components for keyless entry.

     - Requires input of a PIN code, key card, or biometric data for access.

     - May incorporate additional features like remote control or smartphone integration.

3. Advanced Security Features:

   - Anti-Picking Mechanisms:

     - Use complex internal structures or specialized pins for added security.

   - Anti-Drilling Protection:

     - Reinforced materials or hardened steel plates to resist drilling.

   - Key Control Systems:

     - Restricts key duplication and provides control over access.

4. Maintenance and Security Tips:

   - Regular Lubrication: Keep the lock mechanism operating smoothly.

   - Inspect and Replace Worn Parts: Check for signs of wear or damage and replace as necessary.

   - Rekeying or Changing Locks: Enhance security by rekeying or replacing locks periodically. 


Understanding the mechanisms of security door locks is essential for ensuring the safety of your premises. You can choose a suitable supplier and their locks will be more secure. In some places with high security requirements you can choose to use armored doors with high anti-theft levels. By exploring the different types of locks, advanced security features, and following proper maintenance practices, you can choose the right lock and maintain its optimal functionality. Prioritize security and regularly assess your lock's condition for enhanced protection.

  • FAQ

    Q1: Are you manufacturer? Where is your factory located?
         A: Yes, we are. We are a professional and one of the largest door manufacturer and supplier in China. we can provide nice goods at competitive price.Our factory is located in Yongkang City, Zhejiang Province , the city of the China Science and Technology Hardware Center.
    Q2: what is the minimum order quantity?
        A: Our min order qty is 100pcs.
    Q3: How long is the delivery time?
        A: It depends, normally, 15-20 working days after received the deposit and all details confirmed.
    Q4: Can we mix the 20ft container?
         A: Yes, if the items are meet our min order qty.
    Q5: How can you guarantee your products' quality?
       A: To control quality, we have four testing procedures: initial inspection, re-inspection, final inspection and sampling inspection.
    Q6: What are the terms of payment in your formal trade?
         A: Usually, T/T 30% deposit to start production, the balance paid before shipping.
    Q7: What preferential terms you could give me if I increase the order’s quantity?
         A: The price will have discount. More QTY, more discount.

  • Useluck Door Accessories

    Factory Wholesale Decoration stainless steel security door
    Factory Wholesale Decoration stainless steel security door

    Our accessories include: handles, lock cylinders, fillers, hinges, side locks, rubber strips,and door skins.Due to our high daily demand for parts, we invite you to contact us directly for purchasing with highly competitive prices!


Factory Wholesale Decoration stainless steel security door





country of origin:

Zhejiang China

Type of supply:

Original Manufacturer,Odm

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Useluck Security Door
Office: 1401-1, Building 1, Ruin World Building, Hangzhou, Zhejiang Province, China
Factory: Baiyang Industry Area, Wuyi City, Zhejiang Province,China.
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