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  • DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System
  • DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System
  • DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System
  • DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System
  • DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System
  • DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System
DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System
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DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System

  • 100 - 999 Pieces
    $0.30
  • >= 1000 Pieces
    $0.10

Customization:

Customized logo（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
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DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Sealing and Blockage: Designed to securely seal threaded holes or openings in machinery, pipes, or equipment using its standard thread and durable steel construction.
  • Easy Installation/Removal: Features a hexagonal recess for precise tightening/loosening with a wrench, ensuring efficient maintenance and adjustments.

Key features

  • 1. Material Technology

    • With a corrosion-resistant steel body and protective black finish, you can ensure durability in harsh industrial or plumbing environments. ~30% more resistant to rust than plastic alternatives*.

  • 2. Interactive Design

    • With a hexagonal recess, you can easily tighten/loosen the plug using standard wrenches, eliminating the need for specialized tools compared to non-hexagonal designs*.

  • 3. Performance Parameters

    • With thread sizes ranging from M8 to M64, you can adapt to a wide variety of applications, offering 50% more size options than typical screw plugs*.

  • 4. Scenario Solutions

    • With a secure threaded seal, you can maintain reliable operation in plumbing or mechanical systems, reducing leakage risks by up to 40% compared to non-threaded alternatives*.

  • 5. Certification Standards

    • With DIN908 compliance, you can ensure adherence to rigorous industrial standards, guaranteeing performance and safety in professional settings.

Product details

DIN908 40mm Steel Hex Socket Head Screw Plugs Internal Drive Metric Measurement System

The DIN908 Hex Socket Head Screw Plugs are precision-engineered fastening solutions designed for secure sealing and adjustment in mechanical and plumbing applications. Crafted from high-strength steel with a durable black finish, these plugs feature a hexagonal recess for wrench-driven installation and standard metric threads (M8, M10, M20, M30, M36, M64) for universal compatibility. Available in lengths of 9mm and 40mm, they offer reliable corrosion resistance and precise fitment across industrial and commercial settings.

Technical specifications

FeatureSpecificationBenefit
MaterialSteelEnhanced durability and corrosion resistance
Thread SizeM8, M10, M20, M30, M36, M64Universal compatibility with metric systems
Length Options9mm, 40mmCustomizable for varied application depths
Drive TypeHexagonal socket headTool-friendly design for easy tightening
Thread TypeStandard threadSeamless integration with standard fittings
FinishMatte black coatingAbrasion-resistant and visually consistent

Customization guide

Adjustable parameters include thread size (from M8 to M64) and hexagonal recess diameter to meet specific wrench compatibility or threading standards. Custom lengths beyond 9mm and 40mm can be engineered for specialized applications.

Get inspired

With its hexagonal drive and robust steel construction, this plug ensures secure sealing in pipelines, machinery, or structural components. Whether maintaining equipment in harsh environments or assembling precision tools, its metric-standard threads guarantee reliable performance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Thread Strength400 N·m+15% (460 N·m)+30% (520 N·m)*
Corrosion Resistance1000 hours salt spray1500 hours salt spray2000 hours salt spray
Temperature Range-20°C to 120°C-30°C to 150°C-40°C to 200°C

Supplier's note

  1. Technical Breakthroughs:

    • Enhanced Thread Strength: The Pro Model’s 520 N·m rating exceeds industry benchmarks by 30%, enabling use in high-torque applications like heavy machinery.
    • Extended Corrosion Resistance: Advanced and Pro versions surpass standard salt-spray tests by 50–100%, ideal for marine or chemical environments.
    • Wider Temperature Tolerance: The Pro Model’s -40°C to 200°C range accommodates extreme conditions, such as cryogenic or high-heat industrial processes.

  2. Version Selection Guidance:

    • Base Model: Optimal for standard plumbing or light machinery where moderate durability suffices.
    • Advanced Model: Suitable for automotive or outdoor equipment requiring enhanced corrosion resistance and temperature stability.
    • Pro Model: Designed for aerospace, oil & gas, or heavy industry where extreme load-bearing and environmental resilience are critical.

With the Pro Model’s 200°C tolerance, you can safely seal high-temperature pipelines while maintaining structural integrity. Pair its premium coating with M64 threading for applications needing both strength and corrosion protection.

Frequently asked questions

  • Which DIN908 Hex Socket Head Screw Plug size suits M10 threaded pipe applications?

  • How do I properly tighten a DIN908 plug using the hexagonal recess?

  • Steel vs Brass: Which material is better for DIN908 plugs in corrosive environments?

  • Can I customize thread sizes for non-standard DIN908 plug applications?

  • Is the DIN908 plug compliant with international engineering standards?

  • Which DIN908 plug length suits deep-set threaded holes (e.g., 40mm depth)?

  • How do I clean and maintain the threaded end of a DIN908 plug?

  • Where are DIN908 Hex Socket Head Screw Plugs most commonly used?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material StrengthHeavy machinery, automotiveIndustry Standard: ASTM A307 (400 MPa tensile strength)
Our Base: AISI 4140 (630 MPa▲)
Our Advanced: AISI 4340 (860 MPa▲▲)		Superior structural integrity for demanding applicationsBase: Moderate cost increase vs. Industry; Advanced: High cost due to premium alloy
Thread PrecisionPrecision engineeringIndustry Standard: ISO 2978 Class 6g
Our Base: Class 5g▲
Our Advanced: Class 4g▲▲		Ensures tighter fits in critical assemblies (e.g., aerospace)Advanced requires specialized tools for installation
Corrosion ResistanceMarine, outdoorIndustry Standard: Uncoated steel
Our Base: Zinc-plated (ASTM B6▲)
Our Advanced: Stainless 316 + PTFE (ASTM A957▲▲)		Protects against saltwater and chemical exposure (e.g., offshore platforms)Advanced coating adds weight and complexity to manufacturing
Length RangeCustom applicationsIndustry Standard: 5–25mm
Our Base: 9–40mm▲
Our Advanced: 5–50mm▲▲		Flexible for diverse project requirements (e.g., structural repairs)Industry-standard lengths may limit customization
Temperature ToleranceHigh-heat environmentsIndustry Standard: Up to 250°C
Our Base: 300°C▲
Our Advanced: 450°C (Inconel coating▲▲)		Survives extreme heat (e.g., engine components)Advanced coating reduces electrical conductivity for certain applications
Cost-EffectivenessBudget projectsIndustry Standard: $0.5/unit
Our Base: $0.7/unit▲
Our Advanced: $1.2/unit▲▲		Base offers balanced performance at a lower price pointAdvanced is 140% more expensive than Industry Standard

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