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  • 10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5
  • 10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5
  • 10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5
  • 10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5
  • 10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5
  • 10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5
10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5

10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5

  • 10 - 999 Pieces
    $1
  • 1000 - 9999 Pieces
    $0.50
  • >= 10000 Pieces
    $0.10

Customization:

Customized logo（Min.Order: 50000 pieces）
Customized packaging（Min.Order: 50000 pieces）
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10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Fastening with Enhanced Stability: Designed with a flange and notch for reliable tightening and resistance to loosening under mechanical stress. The DIN 6923 standard ensures compliance with industrial-grade specifications for structural integrity.
  • Versatile Thread Compatibility: Supports thread sizes from M3 to M39 (metric/imperial) and features internal threads for seamless pairing with bolts/screws in diverse applications.

Key features

  • 1. Material Technology

    • With a choice of corrosion-resistant materials like stainless steel and titanium, you can ensure long-term durability in harsh environments such as marine or industrial settings.

  • 2. Interactive Design

    • The flanged base and notch design allow for secure torque application and easy installation with specialized tools, reducing slippage during assembly.

  • 3. Performance Parameters

    • Rated to grade 10.9, these nuts provide exceptional tensile strength (940 MPa) and compatibility with both metric and imperial thread sizes (e.g., M18 x 1.5, M20 x 1.5), ensuring reliability under heavy loads.

  • 4. Scenario Solutions

    • The flange provides a stable mounting surface for machinery and equipment, while finishes like cadmium plating or zinc-flake coating adapt to corrosive or high-wear environments.

  • 5. Certification Standards

    • Complies with EN ISO 6507, ensuring conformity to international standards for mechanical properties and dimensional accuracy, guaranteeing safety and compatibility with global applications.

Product details

10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5

The 10.9 Nut with Flange and Notch DIN 6923 M18 X 1.5 M20x1.5 is a high-strength fastening solution designed for precision engineering and industrial applications. Engineered with a flange for load distribution and a notch for secure installation, this nut meets DIN 6923 standards and is certified to ENISO 6507. Available in metric and imperial thread sizes, it offers customizable materials, finishes, and surface treatments to suit diverse environmental and mechanical demands.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialSteel, Stainless Steel, Copper, TitaniumHigh-stress machinery, corrosive environments, aerospace
CertificationENISO 6507Compliance-driven industrial projects
FinishCoated, Blue Phosphate, Cadmium Plated, Nickel Plated, Black Oxide, Zinc-Flake Coated, Passivated, Copper, Chrome Plated, Polished, GalvanizedCustom aesthetic or corrosion resistance needs
Thread SizeM3–M39 (metric), Imperial equivalents availablePrecision bolt/nut pairing in machinery
Flange DesignFlange for load distribution, notch for tool engagementHeavy-duty equipment assembly
Surface TreatmentBlack, PolishedAesthetic or functional surface requirements
Measurement SystemMetric, ImperialGlobal project compatibility

Customization guide

Adjustable parameters:

  • Material: Select steel for cost-effective strength, stainless steel for corrosion resistance, or titanium for lightweight aerospace applications.
  • Finish: Opt for zinc-flake coating for marine environments or chrome plating for high-end aesthetics.
  • Thread Size: Tailor to specific bolt dimensions for seamless integration.
  • Surface Treatment: Choose black oxide for non-reflective surfaces or polished finishes for visibility in critical assemblies.

Get inspired

With its flange and notch design, this nut ensures secure fastening in dynamic mechanical systems. Whether reinforcing automotive components or stabilizing industrial machinery, its customizable material and finish options make it adaptable to extreme temperatures, chemical exposure, or high-torque requirements.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material StrengthSteel (Grade 10.9)Stainless Steel (A2-70)Titanium (Grade 5)
Corrosion ResistanceBasic (Blue Phosphate)Enhanced (Zinc-Flake Coated)Premium (Passivated)
Thread PrecisionDIN 6923 StandardDIN 6923 + 15% tighter toleranceDIN 6923 + 30% tighter tolerance

Supplier's note

  1. Technical Breakthroughs:

    • Material Diversity: Titanium (Pro Model) offers 40% higher strength-to-weight ratio than steel, ideal for aerospace.
    • Thread Precision: Advanced and Pro Models feature tighter tolerances (+15% to +30%) than industry benchmarks, reducing slippage in high-vibration settings.
    • Surface Treatment: Passivated finishes on Pro Models provide 20% better corrosion resistance than standard coatings.

  2. Optimal Version Selection:

    • Base Model: Suitable for general industrial assembly (e.g., automotive frames) where cost efficiency is prioritized.
    • Advanced Model: Recommended for marine or chemical plants requiring corrosion resistance without compromising on thread precision.
    • Pro Model: Best for aerospace or defense applications demanding extreme durability and lightweight performance. With its triple-certified chemical resistance, it safely handles aggressive solvents while maintaining structural integrity under extreme loads.

Frequently asked questions

  • Which 10.9 grade flanged nut suits high-stress structural applications (M18/M20 thread sizes)?

  • How to maintain corrosion resistance for coated 10.9 nuts (blue phosphate/cadmium plated finishes)?

  • Stainless steel vs steel flanged nuts: Which is better for marine environments (DIN 6923)?

  • Can I customize 10.9 flanged nuts with non-standard thread sizes (e.g., M24x2.0)?

  • Are 10.9 flanged nuts ENISO 6507-certified for pressure vessel applications?

  • What’s the advantage of a notched flange design (DIN 6923) for uneven surfaces?

  • Which finish prolongs lifespan in industrial oil/gas environments (metric thread nuts)?

  • Can I mix metric M20x1.5 flanged nuts with imperial bolts in machinery assembly?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Flanged Nuts (DIN 6923)Machinery assembly, automotiveComplies with DIN 6923; flange diameter = 1.2× thread diameter (e.g., M18 flange: 21.6mm)Eliminates washer need ▲; stabilizes joints under vibrationBulkier design (adds 2–3mm height) compared to standard nuts
High-Strength Nuts (Grade 10.9)Structural engineering, heavy machinery10.9 grade (Yield Strength: 940 MPa, Tensile Strength: 1040 MPa per ISO 898-1)Withstands extreme loads (e.g., 50-ton cranes) ▲▲▲ vs Grade 4.6 nutsBrittle at temperatures > 250°C; costly for low-stress applications
Metric Thread NutsInternational manufacturingThread sizes: M3–M39 (ISO 261 standard)Global compatibility ▲▲; precise fit in metric systemsIncompatible with imperial thread systems (e.g., 1/4"–1")
Corrosion-Resistant MaterialsMarine, chemical plantsStainless steel (ASTM A182 F304) or titanium (ASTM B367)Stainless steel: Resists saltwater corrosion ▲▲▲; Titanium: 4x lighter than steelHigher cost (Titanium: +300% vs steel)
Custom Surface FinishesAerospace, medical devicesZinc-flake coated (ASTM B695), passivated (ASTM A967)Zinc-flake: 1,000hr salt spray resistance ▲; Passivated: Passes ASTM F86Limited color options; cadmium plating banned in EU (RoHS compliance required)
Thread Size VariabilityDiverse industrial applications20+ sizes (e.g., M18×1.5 to M39×4)Versatility ▲▲▲ (covers M3–M39); fits specialized machineryRequires inventory management for multiple sizes

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