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  • Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws
  • Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws
  • Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws
  • Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws
  • Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws
  • Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws
Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws

Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws

  • 10000 - 29999 Pieces
    $0.10
  • >= 30000 Pieces
    $0.08
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Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Versatile Fastening Solutions: Designed as hex drive machine screws with button heads, these screws provide secure fastening for applications requiring precise torque control and durability. The fully threaded design ensures strong hold in materials like metal, wood, and plastic.
  • Multi-Size Compatibility: Available in thread sizes from M2 to M10 and lengths ranging from 2mm to 55mm, accommodating diverse assembly needs in machinery, furniture, and equipment.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With 304 stainless steel and zinc-plated finishes, these screws resist corrosion 30% better than standard steel screws*. The combination of durable materials and protective coatings ensures longevity in harsh environments like marine or industrial settings.

  • 2. Versatile Interactive Design

    • With a hex drive and button head design, you can easily install and achieve flush mounting in tight spaces*. The hex drive compatibility with standard tools simplifies assembly across projects.

  • 3. Broad Performance Parameters

    • With thread sizes from M2 to M10 and lengths ranging from 2mm to 55mm, these screws suit diverse applications—from precision electronics to heavy machinery*. The fully threaded design maximizes torque strength.

  • 4. Scenario-Specific Solutions

    • With corrosion-resistant and button head features, these screws excel in both indoor/outdoor environments and flush-mounted applications like furniture or equipment assembly*.

  • 5. Certified Compliance

    • With certifications like REACH, RoHS, and EN ISO 898, these screws meet global safety and environmental standards*, ensuring reliability for commercial and consumer use.

  • Notes:

    • Comparative Hints: Highlighted performance improvements over standard screws and material advantages.

Product details

Cup Allen M2 M3 M4 M5 M6 M8 M10 Stainless Steel Hex Drive Hexagon Socket Round Button Head Machine Screws

Cup Allen Hex Drive Machine Screws offer precision-engineered fastening solutions with versatile sizes (M2 to M10) and materials, including 304 stainless steel for corrosion resistance. Certified to REACH, RoHS, and ISO 898 standards, these screws feature zinc-plated finishes and hex drive compatibility for secure torque control. Ideal for industrial, automotive, and machinery applications requiring durable, standardized fastening.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialSteel, 304 stainless steel, aluminum, bronze, brass, carbon steelHigh-strength assembly (steel), corrosion-prone environments (304 SS)
CertificationsREACH, RoHS, EN62321, ENISO 898Compliance for EU and global industrial markets
FinishZinc plated, plain, galvanized, black oxideOutdoor use (zinc), aesthetic finishes (black oxide)
Thread SizeM2, M3, M4, M5, M6, M8, M10Custom fit for machinery, automotive parts
Head TypeButton headLow-profile fastening in tight spaces
Length Options2mm–55mmFine adjustments for precise depth control
Measurement SystemInchCompatibility with North American standards

Customization guide

Adjustable lengths (2mm–55mm) and materials (e.g., 304 stainless steel for marine use) to meet specific strength or corrosion-resistance needs. Choose finishes like zinc plating for outdoor durability or black oxide for non-reflective applications.

Get inspired

From lightweight aluminum for electronics to corrosion-resistant 304 stainless steel for marine equipment, these screws adapt to diverse industries. Their hex drive design ensures secure torque control, while button heads provide a sleek finish in furniture or machinery assembly.

Choose your model

ParameterBase Model (Carbon Steel)Advanced Model (304 Stainless Steel)Pro Model (Premium Alloy)
Material GradeASTM A307ASTM A182 F304Custom alloy
Corrosion Resistance100 hours (salt spray)+50% (150 hours)+100% (300 hours)*
Thread Strength400 MPa+20% (480 MPa)+40% (560 MPa)
CertificationsISO 898ISO 898 + RoHSISO 898 + RoHS + FDA

Supplier's note

  1. Technical Breakthroughs:

    • 304 Stainless Steel: Triple corrosion resistance vs. carbon steel (Advanced/Pro models).
    • Hex Drive Design: 15% higher torque capacity than slotted heads, ensuring secure fastening.
    • Compliance Certifications: Full RoHS/REACH alignment for global supply chains.

  2. Version Selection Guide:

    • Base Model: Ideal for general workshops (e.g., automotive assembly) where cost efficiency is prioritized.
    • Advanced Model: Suitable for food-grade machinery or coastal environments needing corrosion resistance.
    • Pro Model: Best for aerospace or medical equipment requiring extreme durability and FDA compliance.

Example Use Case: With the Pro Model’s 300-hour salt-spray resistance, marine engineers can secure hull components without rust buildup. Pair with zinc plating for added protection in saltwater exposure.

Frequently asked questions

  • Which Cup Allen M3 or M4 stainless steel screws are best for lightweight furniture assembly?

  • How do I maintain zinc-plated hex drive screws to prevent corrosion?

  • Should I choose stainless steel or carbon steel Cup Allen screws for outdoor construction projects?

  • Can Cup Allen hex drive screws be customized for non-standard lengths or finishes?

  • Are Cup Allen M6 screws RoHS and REACH certified for electronic device assembly?

  • What makes fully threaded Cup Allen screws better for structural applications?

  • Why are 304 stainless steel Cup Allen screws preferred over standard steel for food-grade equipment?

  • Can I use Cup Allen inch-measurement screws in metric-based projects?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionCorrosive environments (marine, food processing) vs general assemblyIndustry: Carbon Steel (ASTM A307)
Our Base: 304 Stainless Steel (ASTM A182) ▲
Our Advanced: 316 Stainless Steel (ASTM A479) ▲▲		Base resists mild corrosion; Advanced withstands harsh chemicals (e.g., saltwater)Base costs 20% more than standard; Advanced is 40% pricier and less common
Surface FinishOutdoor/industrial vs indoor applicationsIndustry: Zinc Plated (ASTM B695)
Our Base: Zinc Plated (ASTM B695)
Our Advanced: Black Oxide (MIL-DTL-13924) ▲		Advanced offers better corrosion resistance and sleek appearanceAdvanced may require specialized handling for installation
Thread Size RangeHeavy machinery vs light assemblyIndustry: M2–M10 (ISO 261)
Our Base: M2–M10 ▲
Our Advanced: M2–M12 ▲▲		Advanced accommodates larger fastening needs (e.g., construction)Non-standard sizes (e.g., M12) may have limited availability
Length OptionsDeep fastening (automotive) vs shallow useIndustry: 2mm–55mm (ISO 2768)
Our Base: 2mm–55mm ▲
Our Advanced: Custom lengths (2mm–100mm) ▲▲		Advanced supports bespoke projects (e.g., aerospace)Custom orders incur longer lead times
CertificationsRegulated industries (medical, automotive)Industry: Basic compliance (ISO 9001)
Our Base: REACH, RoHS, EN62321 ▲
Our Advanced: Full EN ISO 898 compliance ▲▲		Advanced meets stringent safety/quality standards for global marketsHigher costs for certification audits
Head DesignAesthetic projects vs industrialIndustry: Flat Head
Our Base: Button Head (ASME B18.3) ▲
Our Advanced: Countersunk Head ▲▲		Advanced allows flush mounting (e.g., furniture, electronics)Countersunk requires pre-drilled holes for alignment

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