MKDAQIQU 3in Reinforced Metal Door Lock, Silver, 3 Piece
MKDAQIQU 3in Reinforced Metal Door Lock, Silver, 3 Piece
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MKDAQIQIU

MKDAQIQU 3in Reinforced Metal Door Lock, Silver, 3 Piece

|4 ratings

Key item features

  • Broad Compatibility: This 3-piece set offers universal compatibility for various inward-opening doors, including front, back, bedroom, and patio doors, and is suitable for apartments and storm-prone areas.
  • Enhanced Security: Provides triple-layer protection with three locks, preventing accidental openings and offering a second layer of security to existing locks.
  • Robust Construction: Crafted from aerospace alloy and reinforced steel, this lock is resistant to 800 pounds of impact, anti-saw, and anti-pry, exceeding the strength of a chain lock.
  • Quick Installation: Features a 60-second installation process with permanent screw fixation, requiring no additional tools.
  • Specific Suitability: Designed for standard inward-opening doors with a thickness of 1.3" to 1.8", a door gap greater than 0.07", and a flat lock area.
  • Humidity Resistant: Each lock includes a humidity-resistant coating, enhancing its durability and performance in various environments.
  • Deadbolt Compatible: The lock is compatible with existing deadbolts, allowing for integrated security solutions.
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Current price is $19.99
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4.468085106382978 stars out of 5, based on 47 seller reviews(4.5)
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4.8 out of 5 stars
stars4 ratings2 reviews
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Showing 1-2 of 2 reviews

Dec 10, 2025
Apoorv
Item details
Size: 3in Reinforced Lock For Metal Door
Sold byHEYIYIDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Strong and Reliable Door Lock for Added SecurityI

I purchased the MKDAQIQIU 3-in Reinforced Metal Door Lock set to improve home security, and overall, I'm impressed. The locks feel solid and well-built, crafted from reinforced steel and aerospace alloy, which gives confidence in durability. Installation was quick and easy—took less than a minute per lock without needing extra tools. The triple-layer protection is a great feature, adding an extra layer of security to existing locks. I also appreciate the humidity-resistant coating, which should help in varying weather conditions. My only minor concern is that it's designed for inward-opening doors only, so check compatibility before buying. It's not the cheapest option, but for the strength and peace of mind it offers, it's worth it. Great for apartments and storm-prone areas. Overall, a solid product that delivers on its promise.

Incentivized Review
Helpful?3G535L2PICT114948009666
Apr 18, 2026
Amy
Item details
Size: 3in Reinforced Lock For Metal Door
Sold byHEYIYIDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Installs with provided screws and my drill in less than a minute. So easy and durable.

Incentivized Review
Helpful?3G535L2PICT114948009666