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  • Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body
  • Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body
  • Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body
  • Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body
  • Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body
  • Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body
Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body

Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body

  • 500 - 2999 Sets
    $8
  • >= 3000 Sets
    $6.78

Customization:

Customized logo（Min.Order: 3000 pieces）
Customized packaging（Min.Order: 3000 pieces）
Graphic customization（Min.Order: 3000 pieces）
View product details

Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Exterior Locking: A single-keyed deadbolt mechanism designed for exterior doors, featuring a keyed entry on the outside and a thumb turn on the inside for easy operation.
  • Durable Construction: Crafted from steel, brass, and zinc alloy materials, ensuring resistance to wear, corrosion, and environmental stress for long-term reliability.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a steel and brass alloy construction, ensure long-lasting durability in harsh environments. ~20% more resistant to wear than standard zinc alloy locks*

  • 2. Secure Keyed & Thumb Turn Interactive Design

    • With a keyed exterior and thumb turn interior design, balance high security with convenient access. Simplify entry from inside while maintaining robust exterior protection compared to single-operation locks*.

  • 3. Enhanced Performance with Robust Deadbolt

    • With a 1-inch extended deadbolt, provide superior resistance to forced entry. ~30% stronger than standard 0.75-inch bolts*

  • 4. Versatile Modular Design for Custom Installation

    • With a modular construction, adapt to door thicknesses up to 2 inches and integrate seamlessly into modern or traditional door styles. Compatible with 20% more door types than non-modular models*

  • 5. Compliance with Industry Safety Standards

    • With adherence to ANSI-grade security specifications, meet rigorous safety requirements for exterior door use. Certification details subject to manufacturer confirmation*

Product details

Square Single Keyed Deadbolts for Exterior Doors Black Keyed Outside and Thumb Turn Inside for Door Lock Body

The Square Single Keyed Deadbolt combines modern minimalist design with robust security features. Crafted from a corrosion-resistant steel, brass, and zinc alloy blend, this lock body offers durability and sleek aesthetics for exterior doors. Its keyed operation outside and thumb turn inside provide secure access while maintaining a clean, contemporary look.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialSteel, Brass, Zinc AlloyHigh-traffic commercial/residential doors
FinishMatte BlackModern architectural designs
Operation TypeKeyed Outside, Thumb Turn InsideResidential entryways, office doors
Bolt MechanismFlush-mounted, 1.5" throwPrevents forced entry in high-risk areas
CompatibilityAdjustable for 1.3"–1.75" door thicknessCustom door installations

Customization guide

Adjustable bolt length and door thickness compatibility allow customization for specific door dimensions. The modular design supports material substitutions (e.g., brass for coastal environments) to meet anti-corrosion or aesthetic needs.

Get inspired

With its minimalist square profile and matte black finish, this deadbolt seamlessly integrates into modern door designs while ensuring reliable security. Ideal for contemporary homes or commercial spaces prioritizing both style and safety.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Security RatingANSI Grade 2ANSI Grade 2+ANSI Grade 3*
Material BlendSteel coreSteel + Zinc AlloySteel + Brass Overlay
CustomizationBolt lengthBolt + FinishFull component swap
Weight1.2 lbs1.5 lbs1.8 lbs

Supplier's note

  1. Technical Breakthroughs:

    • Material Blend: Steel-brass-zinc alloy reduces wear by 40% compared to single-material locks.
    • Modular Design: Adjustable components cut installation time by 25% versus traditional models.
    • Flush Bolt Mechanism: 1.5" throw exceeds industry standard (1.2"), enhancing intrusion resistance.

  2. Version Selection Guide:

    • Base Model: Best for residential use where ANSI Grade 2 meets local safety codes.
    • Advanced Model: Ideal for commercial spaces needing corrosion resistance (e.g., coastal areas) and customizable finishes.
    • Pro Model: Choose for high-security applications (e.g., vault doors) where triple-layer material and ANSI Grade 3 certification are critical.

With the Pro Model’s ANSI Grade 3 rating, you can secure high-risk facilities against forced entry. Pair its brass overlay with zinc alloy core to ensure longevity in humid climates. For multifamily housing, the Base Model’s cost-effective design meets compliance standards without overspending.

Frequently asked questions

  • Which Square Single Keyed Deadbolt model suits exterior doors with varying thickness?

  • How do I maintain the brass components of the keyed deadbolt for longevity?

  • What’s the difference between brass and zinc alloy in exterior door lock bodies?

  • Can this deadbolt be customized for flush-mounted door designs?

  • Is the Square Single Keyed Deadbolt ANSI-certified for exterior door security?

  • Which model is best for high-traffic commercial exterior doors?

  • Does the keyed deadbolt require special winter maintenance?

  • How does this deadbolt compare to keyless smart locks for exterior doors?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionCommercial buildings, high-corrosion environmentsIndustry Standard: Steel (ASTM A36, 250 MPa tensile strength)
Our Base: Steel + Zinc Alloy (ASTM A370, 500 MPa▲)
Our Advanced: Brass + Steel (ASTM B260, corrosion-free▲▲)		Base: 2× stronger than standard. Advanced: Eliminates rust in harsh climates.Advanced: 20% heavier, may require reinforced door frames.
Noise LevelOffice environments, hospitalsIndustry Standard: 45 dBA (loud)
Our Base: 38 dBA (▲)
Our Advanced: 32 dBA (sound-dampening polymer▲▲)		Advanced: Quieter than a refrigerator (32 dBA). Base: 30% quieter than standard.Advanced: Requires precision installation for full effect.
DurabilityHigh-traffic areas, industrial sitesIndustry Standard: 10k cycles
Our Base: 15k cycles (▲)
Our Advanced: 20k cycles (▲▲)		Base: 50% longer lifespan. Advanced: Withstands 2× more cycles than standard.Advanced: 30% higher cost compared to Base.
CustomizationCustom door installations, retrofitsIndustry Standard: Fixed dimensions
Our Base: Adjustable bolt length (▲)
Our Advanced: Modular components (▲▲)		Advanced: Fits 90% of door thicknesses (1.5–2.5"). Base: Adapts to 1.8–2.2" doors.Base: Requires basic tools for adjustments.
Security FeaturesHigh-security locations, banksIndustry Standard: Standard keyed (pick-resistant)
Our Base: Anti-pick pins (▲)
Our Advanced: Reinforced bolt + anti-drill plate (▲▲)		Advanced: Resists drilling for ≥30 seconds. Base: 98% pick-proof (ANSI Grade 1).Advanced: Bulky design may protrude slightly.
Aesthetic DesignResidential homes, boutique storesIndustry Standard: Protruding latch
Our Base: Flush design (▲)
Our Advanced: Premium brushed finish (▲▲)		Base: Sleek look for modern doors. Advanced: Matches luxury interiors (ASTM A927 finish).Advanced: Custom finishes add 2–3 days to delivery.

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