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XiangJunly Cabinet Locks: Secure, durable locks for cabinets and mailboxes

6 Pcs Cabinet Locks, 16 mm Letterbox, Cupboard with Key, Mailbox, Security Drawer for Furniture Door Post Box (6)
4.5
[Premium Zinc Alloy]  Wear, corrosion and rust resistant for long-lasting durability.
[Easy Installation]  Quickly installs with a drilled hole; insert lock head and secure cam screw.
[Enhanced Security]  Provides reliable protection for privacy, valuables, and important materials.
[Wide Compatibility]  Fits cabinets, drawers, mailboxes, sliding doors, showcases, toolboxes, RV compartments and vehicles.
[Adjustable Standard Size]  18mm diameter, 16mm cylinder, adjustable up to 12mm thickness; includes two identical keys.
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Home hardware designed to keep cabinets, drawers and mailboxes locked with reliable components. XiangJunly Cabinet Locks combine corrosion-resistant metal and a standard cam fitting for everyday security. Are these locks the right choice for a straightforward DIY upgrade or light commercial use?

⚡ At a Glance
  • Security: Sturdy zinc alloy construction resists wear, corrosion and casual tampering
  • Best for: Homeowners, landlords and small businesses needing basic furniture and mailbox security
  • Not ideal for: High-security needs such as safes, external doors or electronic access control

Zinc alloy cam locks with a 16 mm cylinder length and a standard 18 mm diameter. Adjustable lock plate fits material thicknesses up to 12 mm and each lock includes two identical keys.


Long-lasting protection – Thanks to zinc alloy construction

Zinc alloy metal gives wear resistance and guards against corrosion and rust, creating a robust lock body. The material choice helps the lock withstand damp conditions and frequent use.

Durable construction keeps cupboards and mailboxes secure over time, reducing the need for frequent replacements.

Quick-fit installation – With a standard cam and simple fixings

Installation requires drilling a hole of the appropriate diameter, inserting the lock head and securing the cam with a fastening screw. The standard 18 mm cam diameter matches common fittings.

Fast installation suits DIY upgrades on cabinets, drawers and post boxes without specialist tools or parts.

Flexible compatibility – Thanks to a 16 mm cylinder and adjustable plate

A 16 mm cylinder length and an adjustable lock plate allow fitting into materials up to 12 mm thick while conforming to a standard cam lock design. Each lock is supplied with two identical keys for convenience.

Compatible with sliding doors, showcases, toolboxes, RV compartments and mailboxes, cutting the need to buy multiple lock types.

✨ The 4 Key Reasons for XiangJunly Cabinet Locks
  1. Zinc alloy body – Extends service life, resists corrosion and daily wear
  2. Adjustable lock plate – Fits materials up to 12 mm thickness easily
  3. Two identical keys per lock – Reduces risk of lockout and key loss significantly
  4. Six-lock pack – Supplies multiple fittings for home and small business projects
📋 Technical Details at a Glance
  • Category: Cabinet and mailbox cam locks
  • Brand: XiangJunly
  • Material: Zinc alloy metal
  • Cylinder length: 16 mm
  • Cam diameter: 18 mm (standard size)
❓ Frequently Asked Questions

Q: Are these locks suitable for mailboxes and post boxes?

A: Yes, the locks are described as suitable for mailboxes and post boxes and come with two identical keys for each lock.

Q: What material thickness will these locks fit?

A: The adjustable lock plate works with material thicknesses up to 12 mm, using a 16 mm cylinder length and a standard 18 mm cam diameter.

Q: Is installation difficult for a DIYer?

A: Installation is straightforward: drill the appropriate hole, insert the lock head and fix the cam with the fastening screw, making it suitable for DIY upgrades.

🏆 Our Verdict

Suitable for homeowners, landlords and small businesses that need reliable, basic security for furniture and mail. Durable zinc alloy construction, adjustable fitting and twin keys deliver practical protection across multiple fixtures. Easy installation and multi-lock packs make these locks a sensible long-term choice for straightforward security upgrades.