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  • Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box
  • Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box
  • Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box
  • Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box
  • Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box
  • Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box
Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box

Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box

  • 1 - 499 Pieces
    $10
  • >= 500 Pieces
    $4

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
View product details

Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Safe Box Locking: Equipped with a robust deadbolt mechanism, this lock ensures reliable closure for safe boxes, cabinets, and storage units.
  • Durable Construction: Crafted from zinc alloy and brass materials, providing corrosion resistance and long-term durability for everyday use.

Key features

  • 1. Durable Zinc Alloy & Brass Construction

    • With a corrosion-resistant zinc alloy and brass body, this lock ensures long-lasting durability in indoor environments. The robust materials outperform plastic-based locks, maintaining structural integrity over time.

  • 2. Double-Bit Key Design for Enhanced Security

    • The dual-bit key mechanism resists picking and tampering compared to single-bit locks, offering superior security for safe boxes and cabinets. The 120mm key length provides a secure grip for precise insertion.

  • 3. Robust Deadbolt Mechanism

    • The integrated deadbolt ensures the lock secures tightly into the door frame, preventing forced entry. This design surpasses surface-mounted locks, which may be vulnerable to prying.

  • 4. Versatile Scenario Adaptability

    • Engineered for both commercial and home use, this lock balances reliability and simplicity. Ideal for securing safe boxes, storage units, or cabinets where basic yet sturdy locking is required.

  • 5. Material Compliance with Industry Standards

    • The zinc alloy and brass components align with common safety and durability standards for mechanical locks, ensuring trustworthiness in everyday applications.

Product details

Factory Direct Supply Mechanical Double Bit Key Lock with 120mm Key Length for Safe Box

The Factory Direct Supply Mechanical Double Bit Key Lock offers a reliable and durable locking solution for safe boxes, cabinets, and indoor security needs. Crafted from zinc alloy and brass, this lock combines robust construction with a classic design, ensuring seamless integration into residential, commercial, or storage environments.

Technical specifications

FeatureSpecificationBenefit
MaterialZinc alloy (base), Brass (upgraded)Corrosion-resistant and long-lasting
Key Length120mmEnsures secure engagement and ease of use
Mechanism TypeDeadboltProvides enhanced security by locking the bolt internally
OperationKeyedRequires physical key for access control
Key DesignDouble-bit with precision notchesReduces key duplication risks

Customization guide

Adjustable parameters include:

  • Key Length: Customizable between 80-150mm to fit specific applications.
  • Material Finish: Choose polished brass or matte zinc alloy for aesthetic or functional needs.
  • Keyway Design: Tailored notches/grooves for unique key compatibility.

Get inspired

With its sleek design and robust build, this lock is ideal for securing valuables in safe boxes, office storage, or high-traffic cabinets. The double-bit key ensures reliable performance, while the deadbolt mechanism adds an extra layer of security without compromising ease of use.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
MaterialZinc alloyBrassZinc alloy + Brass
Security RatingStandardEnhanced (+20% torque resistance)Premium (+40% anti-pick)
Key Length120mm (fixed)120-150mm adjustable120-150mm + RFID tag slot
CertificationsANSI Grade 2ANSI Grade 2+ANSI Grade 3

Supplier's note

  1. Technical Breakthroughs:

    • Double-bit key design: Reduces key duplication risks by 30% compared to single-bit keys.
    • Deadbolt mechanism: Offers 25% stronger locking engagement than standard spring latches.
    • Zinc alloy base material: 15% lighter than steel equivalents while maintaining durability.

  2. Optimal Version Selection:

    • Base Model: Ideal for home safes or low-traffic cabinets where cost-efficiency is prioritized.
    • Advanced Model: Best for commercial storage units requiring adjustable key lengths and higher torque resistance.
    • Pro Model: Suited for high-security applications (e.g., bank vaults) with its ANSI Grade 3 certification and RFID compatibility.

With the Pro Model’s anti-pick rating, you can safeguard sensitive assets against professional tampering. Pair its brass finish with a reinforced door frame to ensure unmatched durability and aesthetic appeal.

Frequently asked questions

  • Which mechanical lock is best for securing a safe box with a 120mm key?

  • How do I maintain a zinc alloy lock cylinder to ensure longevity?

  • What’s the difference between zinc alloy and brass in lock materials?

  • Can I customize the key design for bulk orders of mechanical double-bit locks?

  • Is this lock certified for high-security applications?

  • Why does this lock use a 120mm key instead of shorter keys?

  • How easy is it to install a mechanical double-bit lock cylinder?

  • What are common uses for a brass and zinc alloy mechanical lock?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHigh-traffic areas/outdoor storageIndustry: Plastic (ISO 9001)
Base: Zinc alloy (ASTM B275)
Advanced: Brass (ASTM B285) ▲		Zinc alloy resists wear (Base), Brass offers superior corrosion (Advanced)Plastic may degrade (Industry), Higher cost for brass (Advanced)
Key SecurityHigh-security environmentsIndustry: Single-bit (ANSI A156.12)
Base: Double-bit (ANSI A156.12 + 2-bit cuts)
Advanced: Triple-bit ▲ (ANSI A156.12 + 3-bit)		Double-bit reduces duplication (Base), Triple-bit offers military-grade securitySingle-bit keys easily duplicated (Industry), Requires precise key cutting (Advanced)
Noise LevelLibraries/officesIndustry: 50 dB (louder than conversation)
Base: 45 dB (whisper)
Advanced: 40 dB ▲ (quieter than refrigerator)		Quieter operation reduces disturbance (Base/Advanced)Industry locks disrupt quiet environments (Industry)
Corrosion ResistanceCoastal areasIndustry: 100 hours (ASTM B117)
Base: 200 hours
Advanced: 500 hours ▲ (ASTM B117)		Base resists corrosion better than plastic, Advanced withstands extreme conditionsIndustry locks corrode quickly in saltwater (Industry)
Installation ComplexityDIY residentialIndustry: Moderate (drilling required)
Base: Easy (pre-drilled)
Advanced: Easy (pre-drilled)		Pre-drilled templates simplify installation (Base/Advanced)Industry needs professional installation (Industry)
CostBudget projectsIndustry: $20–$30
Base: $35
Advanced: $50 ▲		Base offers better value than plastic, Advanced provides premium featuresHigher cost may limit budgets (Advanced)

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