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4 Inch Hardware Accessory Making Machine Stainless Steel for Wooden Door Hidden Door Hinge

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Hidden Door/Window Hinge Design: Seamlessly integrates into wooden doors/windows for a clean, modern aesthetic while supporting smooth operation.
  • Soft Close Mechanism: Ensures quiet, controlled closure to prevent slamming, enhancing user comfort and durability.
  • 180° Opening Angle: Enables full access to doorways or compartments, ideal for storage or high-traffic areas.
  • Durable Stainless Steel Construction: Made of corrosion-resistant stainless steel, ensuring longevity in humid or harsh environments like bathrooms or warehouses.

Key features

  • 1. Corrosion-Resistant Stainless Steel Construction

  • With a corrosion-resistant stainless steel body, ensure durability in harsh environments like coastal areas or high-moisture zones. Outperform traditional steel hinges prone to rust, maintaining structural integrity over time.*

  • 2. Silent Soft-Close & Adjustable Design

  • With the soft-close mechanism and adjustable alignment feature, achieve noise-free operation and precise door positioning. Reduce wear and tear compared to standard hinges lacking this technology.*

  • 3. Full 180-Degree Opening with Smooth Motion

  • With an 180-degree opening angle and dual-bearing technology, enable unrestricted access while ensuring smooth, effortless movement. Operate up to 30% more smoothly than conventional hinges without advanced bearings.*

  • 4. Versatile Applications for Diverse Environments

  • With applications in kitchens, hospitals, hotels, and more, adapt to demanding scenarios requiring both durability and aesthetics. Outperform single-purpose hinges by supporting heavy-duty use (e.g., commercial doors) and lightweight applications (e.g., home offices).*

  • 5. Eco-Friendly EPR Germany Certification

  • With EPR (Extended Producer Responsibility) certification from Germany, meet rigorous eco-friendly standards for sustainable production and disposal. Surpass non-certified alternatives in environmental compliance.*

Product details

4 Inch Hardware Accessory Making Machine Stainless Steel for Wooden Door Hidden Door Hinge

The 4-inch stainless steel hidden door hinges are engineered for seamless integration into wooden doors and windows, offering robust performance across diverse environments. Designed with easy installation, adjustable positioning, and soft-close functionality, these hinges ensure durability in high-traffic areas like hospitals, hotels, and commercial spaces.

Technical specifications

FeatureSpecificationBenefit
MaterialStainless Steel/SteelCorrosion resistance and long-term durability
Bearing TypePairBalanced load distribution for smooth motion
Opening Angle180 DegreesFull-swing functionality for unrestricted use
CertificationEPR_Germany_PackingCompliance with EU environmental standards
Soft Close FeatureAdjustable damping mechanismNoise reduction and door protection
ApplicationKitchen, Hospital, Villa, Mall, etc.Versatile for residential, commercial, and industrial use

Customization guide

Adjustable parameters such as hinge size (from compact to heavy-duty), mounting hole spacing, and soft-close resistance levels allow customization to meet specific door weight requirements or space constraints.

Get inspired

With stainless steel construction, you can ensure longevity in high-moisture environments like bathrooms or coastal homes. The soft-close feature provides a premium user experience in living rooms or bedrooms, while the 180-degree opening angle maximizes accessibility in commercial spaces like malls or warehouses.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Load Capacity50 kg+20% (60 kg)+40% (70 kg)*
Soft Close TechBasic dampingEnhanced shock absorptionPremium silent glide
Corrosion ResistanceStandardMarine-grade coatingMilitary-grade coating

Supplier's note

  1. Technical Breakthroughs:

    • Stainless Steel Material: With corrosion resistance, you can install hinges in humid or marine environments without rust.
    • Adjustable Design: Customizable mounting holes and hinge sizes cater to doors ranging from 1.5" to 4" thickness.
    • Soft Close Technology: The Pro model’s premium damping mechanism reduces door slam noise by 30% compared to standard hinges.
  2. Version Selection Guide:

    • Base Model: Ideal for residential use (e.g., home offices, apartments) where standard load and budget constraints apply.
    • Advanced Model: Best for commercial spaces (e.g., hotels, schools) requiring enhanced durability and noise reduction.
    • Pro Model: Suitable for heavy-duty applications (e.g., warehouses, hospitals) with extreme load demands and harsh environments.

Pro Model’s load capacity exceeds industry benchmarks by 20%, enabling use in industrial settings.

Frequently asked questions

  • Which stainless steel door hinge model suits high-traffic areas like hospitals?

  • How to clean stainless steel door hinges to prevent corrosion?

  • Stainless Steel vs Steel Hinges: Which is better for outdoor wooden doors?

  • Can hidden door hinges be customized for specific door sizes?

  • Are these hinges EPR certified for European compliance?

  • How does the soft close feature enhance door safety in homes?

  • Are these hinges easy to install and adjust for different door frames?

  • What’s the maximum opening angle and its benefits for wooden doors?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHigh-moisture areas (bathrooms, kitchens)Industry: Steel (ASTM A36)
Our Base: Steel (ASTM A36)
Our Advanced: Stainless Steel (ASTM A240) ▲
Advanced resists corrosion in harsh environmentsHigher cost for stainless steel
Bearing TypeHeavy-duty doors (hospitals, hotels)Industry: Single Bearing (ISO 9409)
Our Base: Single Bearing
Our Advanced: Pair Bearing (ISO 9409) ▲
Advanced ensures smoother operation under heavy loadsIncreased cost for pair bearings
Soft Close MechanismResidential spaces (apartments, bedrooms)Industry: None
Our Base: Basic Damping (ISO 14122)
Our Advanced: Advanced Damping (ISO 14122) ▲
Reduces noise and prevents door slamsHigher maintenance for advanced mechanisms
Adjustable DesignCustom installations (boutique hotels)Industry: Non-Adjustable
Our Base: Limited Adjustment (ISO 3344)
Our Advanced: Full Adjustment (ISO 3344) ▲
Advanced allows precise fitting for irregular door framesMore complex installation process
CertificationsInternational projects (Germany, EU)Industry: Basic CE Certification
Our Base: CE
Our Advanced: EPR_Germany + ASTM F739 ▲
Advanced meets stringent European and international standardsHigher certification costs passed to consumers
Noise LevelQuiet environments (libraries, offices)Industry: 45 dB (louder than conversation)
Our Base: 35 dB (soft whisper)
Our Advanced: 28 dB (quieter than whisper) ▲
Advanced ensures near-silent operation in noise-sensitive areasPremium noise reduction adds to production costs

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