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  • SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key
  • SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key
  • SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key
  • SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key
  • SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key
  • SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key
SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key
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SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key

  • 100 - 999 Pieces
    $0.03
  • >= 1000 Pieces
    $0.01

Customization:

Customized logo（Min.Order: 100000 pieces）
Customized packaging（Min.Order: 100000 pieces）
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SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Mechanical Power Transmission: Designed to securely connect shafts and hubs in rotational power systems, ensuring precise alignment and load distribution.
  • Customization Solutions: Offers adjustable dimensions (lengths: 14–25mm, threads: M3–M6) and material options (stainless steel/steel) to meet specific engineering requirements.

Key features

  • 1. Advanced Material Technology

    • With SS316-grade stainless steel, you can ensure exceptional corrosion resistance and durability in harsh industrial environments*, outperforming standard stainless steel grades.

  • 2. Precision-Engineered Dimensions

    • With customizable lengths (14–25mm) and M3–M6 thread options, you can achieve precise fitment for diverse machinery and equipment requirements*.

  • 3. Robust Load-Bearing Capacity

    • With a 6mm thickness and polished finish, you can handle heavy-duty applications without deformation, surpassing thinner alternatives in structural integrity*.

  • 4. Versatile Industrial Compliance

    • With DIN6885A certification, you can guarantee compatibility with global engineering standards for seamless integration into commercial and industrial systems*.

  • 5. Enhanced Aesthetic & Functional Durability

    • With a polished surface treatment, you can maintain a professional appearance while resisting wear and tear, ideal for both visible and concealed mechanical components*.

Product details

SS316 Custom Flat Keys DIN6885A Stainless Steel Round End Parallel Key

SS316 Custom Flat Keys DIN6885A are precision-engineered stainless steel fasteners designed for secure shaft-to-hub connections. Available in M3 to M6 thread sizes and lengths from 14mm to 25mm, these keys offer corrosion resistance, smooth polished surfaces, and compliance with DIN6885A standards.

Technical specifications

FeatureSpecificationBenefit
MaterialStainless steel (SS316) / SteelEnhanced corrosion resistance and durability
Thread SizeM3, M4, M5, M6Versatile compatibility with standard bolts
Length Options14mm, 16mm, 18mm, 20mm, 25mmAdapts to diverse shaft dimensions
Thickness6mmEnsures stable load distribution
Surface FinishPolishedReduced friction and improved aesthetics
Rivet Length8mmSecure fastening in tight spaces
CertificationDIN6885AGuaranteed dimensional accuracy

Customization guide

Adjustable parameters include length, thread size, and material composition to meet specific torque requirements, shaft dimensions, or environmental conditions (e.g., marine or chemical exposure).

Get inspired

With SS316’s superior corrosion resistance and precise DIN6885A alignment, these keys are ideal for machinery, automotive, and industrial applications where reliability under stress is critical.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material GradeStainless SteelStainless Steel + ZnSS316 + PTFE Coating
Corrosion Resistance500hr salt spray1000hr salt spray2000hr salt spray
Load Capacity1500N2000N2500N
Thread PrecisionClass 6gClass 5gClass 4g

Supplier's note

  1. Technical Breakthroughs:

    • SS316 Material: 20% higher corrosion resistance than standard stainless steel, enabling use in harsh chemical environments.
    • Precision Threads (Class 4g): Ensures 30% tighter torque consistency compared to industry benchmarks.
    • PTFE Coating (Pro Model): Reduces friction by 40%, simplifying installation in high-tension assemblies.

  2. Version Selection Guide:

    • Base Model: Ideal for general industrial use (e.g., conveyors, pumps) where cost-efficiency is prioritized.
    • Advanced Model: Suitable for automotive or food-processing equipment requiring intermediate corrosion protection.
    • Pro Model: Recommended for marine, aerospace, or chemical plants needing extreme durability. With its triple-certified corrosion resistance, the Pro Model outperforms industry standards by 50%, ensuring long-term reliability in corrosive or high-load scenarios.

Frequently asked questions

  • Which SS316 flat key size suits machinery with M4 thread requirements?

  • How does SS316 stainless steel compare to regular steel for custom keys?

  • Can SS316 flat keys be customized for non-standard thicknesses?

  • What’s the best way to maintain polished stainless steel flat keys?

  • Are SS316 keys FDA-approved for food processing equipment?

  • Which industries use SS316 flat keys with round ends?

  • Do SS316 keys fit standard bolts with M5 threads?

  • Why choose polished SS316 over unpolished steel keys?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionIndustrial machinery in corrosive environmentsIndustry Standard: Carbon Steel (ASTM A36)
Our Base: Stainless Steel 304 (AISI 304) ▲
Our Advanced: Stainless Steel 316 (AISI 316) ▲▲		Base/Advanced resist corrosion better than Industry Standard (e.g., marine applications).Advanced version has higher cost due to premium alloy.
Corrosion ResistanceChemical plants or offshore equipmentIndustry Standard: Passivation (ASTM A967)
Our Base: 1000+ hours salt spray (ASTM B117) ▲
Our Advanced: 2000+ hours salt spray (ASTM B117) ▲▲		Advanced version withstands aggressive chemicals (e.g., sulfuric acid).Base may corrode in extreme chloride-rich environments.
Thickness ConsistencyHeavy-duty machinery with high loadIndustry Standard: 6mm ±0.3mm (DIN 6885)
Our Base: 6mm ±0.15mm (DIN 6885A) ▲
Our Advanced: 6mm ±0.05mm (DIN 6885A+) ▲▲		Tighter tolerances reduce wear in high-stress applications (e.g., turbine shafts).Advanced requires specialized machining for precision.
Surface FinishCleanroom or medical equipmentIndustry Standard: Matte finish (Ra 1.6 μm)
Our Base: Polished finish (Ra 0.8 μm) ▲
Our Advanced: Mirror finish (Ra 0.4 μm) ▲▲		Advanced minimizes contamination risk in sterile environments.Polished surfaces may require more frequent cleaning.
Thread CompatibilityCustomized machinery setupsIndustry Standard: Limited to M3-M6 (ISO 261)
Our Base: M3-M6 with 10% more variants ▲
Our Advanced: M3-M8 with full ISO 261 variants ▲▲		Advanced supports broader component compatibility (e.g., robotics).Base may not cover all thread needs for complex assemblies.
Dimensional PrecisionHigh-precision machinery assemblyIndustry Standard: ±0.1mm tolerance (ISO 9001)
Our Base: ±0.05mm tolerance (ISO 286-2) ▲
Our Advanced: ±0.02mm tolerance (ISO 286-2) ▲▲		Advanced ensures minimal misalignment in precision tools.Tighter tolerances increase production time/cost.

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