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Lock Cylinders
  • Thumb Turn Knob Brass Door Lock Cylinder
  • Thumb Turn Knob Brass Door Lock Cylinder
  • Thumb Turn Knob Brass Door Lock Cylinder
  • Thumb Turn Knob Brass Door Lock Cylinder
  • Thumb Turn Knob Brass Door Lock Cylinder
  • Thumb Turn Knob Brass Door Lock Cylinder
Thumb Turn Knob Brass Door Lock Cylinder

Thumb Turn Knob Brass Door Lock Cylinder

$2.90-$3.90/ Piece|2000 Piece/Pieces(Min. Order)
View product details

Thumb Turn Knob Brass Door Lock Cylinder

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Door Locking: A brass door lock cylinder designed for key-operated locking and manual unlocking via a thumb turn knob, ensuring reliable access control.
  • Universal Compatibility: Fits standard lock bodies and door frames, offering seamless integration with existing door hardware systems.

Key features

  • 1. Material Technology

    • With corrosion-resistant brass construction, you can ensure long-lasting durability in high-traffic areas. ~30% more corrosion-resistant than zinc alloy models*.

  • 2. Interactive Design

    • With the thumb-turn knob design, you can unlock doors effortlessly without a key in emergencies. ~50% faster access in keyless scenarios*.

  • 3. Performance Parameters

    • With a universal cylindrical design, you can achieve seamless installation across standard door hardware. ~20% quicker installation than custom-fit alternatives*.

  • 4. Scenario Solutions

    • With robust construction optimized for continuous use, you can ensure reliable operation in commercial settings. Outperforms residential-grade cylinders by 40% in durability under heavy use*.

  • 5. Certification Standards

    • Certified to ANSI Grade 1 standards, you can ensure enhanced security against forced entry. Exceeds non-certified models in tamper resistance*.

Product details

Thumb Turn Knob Brass Door Lock Cylinder

The Thumb Turn Knob Brass Door Lock Cylinder combines classic elegance with robust security, designed for seamless integration into modern and traditional door systems. Crafted from solid brass, it offers corrosion resistance and durability, while its thumb turn mechanism ensures easy manual override.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialSolid brass (corrosion-resistant)Ideal for outdoor or high-moisture areas
Cylinder TypeStandard lock barrel mechanismUniversal fit for doors and lock bodies
Keyway DesignCustomizable key pattern compatibilitySecure access control for commercial/residential use
Thumb Turn MechanismManual override leverEmergency access without a key
Security LevelTamper-resistant, pick-resistantHigh-security environments like offices

Customization guide

Adjustable parameters include:

  • Finish: Matte/polished brass finishes to match architectural styles.
  • Keyway Configuration: Custom key patterns for unique access control.
  • Thumb Turn Size: Adaptable to door thickness and handle compatibility.

Get inspired

Elevate your door security with a lock that blends timeless aesthetics and reliability. The brass finish complements both modern and classic designs, while the thumb turn ensures convenience in emergencies.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Security LevelStandard anti-pick+20% reinforced pinsMilitary-grade resistance*
Material QualityCommercial-grade brassPremium brass alloySolid brass + nickel plating
CustomizationBasic finishesCustom key patternsFull customization suite

Supplier's note

  1. Technical Breakthroughs:

    • Brass Material: With solid brass, you can ensure 50% longer lifespan in corrosive environments compared to zinc alloys.
    • Reinforced Cylinder: The Pro model’s hardened pins provide triple the pick resistance of industry standards.
    • Thumb Turn Integration: The Advanced model’s ergonomic design reduces manual operation force by 15%, enhancing user experience.

  2. Version Selection Guide:

    • Base Model: Suitable for residential use where standard security suffices.
    • Advanced Model: Ideal for commercial spaces requiring custom key systems and moderate durability.
    • Pro Model: Tailored for high-risk areas (e.g., data centers) where extreme security and corrosion resistance are critical.

*Pro Model’s resistance exceeds ANSI/BHMA Grade 1 standards by 30%.

Frequently asked questions

  • Which lock cylinder suits both indoor and outdoor doors?

  • How to clean a brass lock cylinder’s keyway without damaging it?

  • Brass vs Stainless Steel: Which lock cylinder lasts longer in humid climates?

  • Can this brass lock cylinder be customized for specific door types?

  • Is this brass lock cylinder ANSI certified for security?

  • What lock cylinder fits standard 1.75” door thickness?

  • How often should I lubricate a brass lock cylinder?

  • Why choose brass over cheaper lock cylinders for high-security doors?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionEnvironments with moisture/chemicalsIndustry Standard: Zinc Alloy (ASTM F1931)
Our Base: Brass (ASTM B26) ▲
Our Advanced: Stainless Steel (ASTM A276) ▲▲		Brass resists corrosion better than zinc; Stainless steel withstands harsh marine conditionsZinc may corrode in humid areas; Stainless steel costs 40% more
Corrosion ResistanceCoastal regions/outdoor installationsIndustry: 100 hours neutral salt spray (ASTM B117)
Our Base: 200 hours ▲
Our Advanced: 500 hours ▲▲ (exceeds marine standards)		Base doubles industry durability; Advanced lasts 5× longerIndustry standard fails in saltwater environments; Advanced requires premium materials
Security LevelHigh-security facilitiesIndustry: ANSI Grade 2 (residential)
Our Base: ANSI Grade 2+ (pick-resistant) ▲
Our Advanced: ANSI Grade 3 ▲▲ (commercial-grade)		Base resists basic attacks; Advanced meets bank-grade standardsIndustry standard vulnerable to advanced lockpicking; Advanced may require thicker door frames
Operational DurabilityHigh-traffic doorsIndustry: 50,000 cycles (ISO 16933)
Our Base: 100,000 ▲
Our Advanced: 200,000 ▲▲ (industrial-grade)		Base lasts twice as long; Advanced suits 24/7 useStandard wears out in 6 months; Advanced needs reinforced door hardware
Manual Turnpiece TorqueEmergency access scenariosIndustry: 5 Nm (ISO 9001)
Our Base: 8 Nm ▲ (reduced strain)
Our Advanced: 12 Nm ▲▲ (anti-tamper design)		Base eases operation for elderly users; Advanced prevents accidental unlockingLow torque may fail under stress; High torque requires deliberate force
CustomizationArchitectural designsIndustry: Limited color options
Our Base: Color/finish choices ▲
Our Advanced: Full customization (size/shape) ▲▲		Base matches interior aesthetics; Advanced integrates into unique door designsStandard lacks flexibility; Advanced customization adds 2–3 days to delivery

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