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  • Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather
  • Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather
  • Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather
  • Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather
  • Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather
  • Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather
Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather

Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather

  • 1000 - 9999 Pieces
    $0.06
  • >= 10000 Pieces
    $0.05
View product details

Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Secure Flush Mounting: Countersunk head design ensures a sleek, flush finish when installed in surfaces like metal, wood, or leather.
  • Corrosion Resistance: Made from 304 stainless steel or steel, providing durability in humid or harsh environments.
  • Versatile Thread Sizes: Available in M4, M6, and M8 thread sizes to accommodate diverse material thicknesses and load requirements.

Key features

  • 1. Corrosion-Resistant 304 Stainless Steel Construction

    • With 304 stainless steel material technology, ensure long-lasting durability and resistance to rust and corrosion in humid or harsh environments, outperforming ordinary steel screws*.

  • 2. Countersunk Head Design for Sleek, Flush Mounting

    • The precision-engineered countersunk head allows for seamless integration into surfaces, enabling a professional finish while maintaining secure fastening compared to raised-head screws*.

  • 3. Versatile Metric Thread Sizes (M4, M6, M8)

    • Offering three standardized thread sizes, accommodate diverse material thicknesses and project requirements, providing broader adaptability than single-size fasteners*.

  • 4. Specialized for Leather and General-Purpose Use

    • Optimized for leather goods assembly while retaining versatility for everyday applications, ensuring reliability in both specialized and routine scenarios*.

  • 5. CE-Certified Safety and Quality Assurance

    • Backed by CE certification, meet EU safety and quality standards, ensuring compliance and reliability compared to uncertified alternatives*.

Product details

Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw for Leather

The Fastener Product SS304 M4 M6 M8 Flat Stainless Steel Chicago Screw is designed for durable, corrosion-resistant fastening in leather goods, machinery, and general assembly. Available in M4, M6, and M8 sizes with a countersunk head, these screws ensure flush mounting and secure attachment. Certified to CE standards, they combine strength and versatility for a wide range of applications.

Technical specifications

FeatureSpecificationApplication Scenario
Material304 stainless steel or steelCorrosion-prone environments (e.g., marine, outdoor) or cost-sensitive projects
Head TypeCountersunk headFlush mounting in leather, wood, or metal surfaces
Thread SizeM4, M6, M8Secure fastening for components of varying thickness
CertificationCE-compliantEU-regulated industrial and consumer products
Surface TreatmentPlain finishMinimalist aesthetic for unobtrusive use

Customization guide

Adjust material (304 stainless steel for corrosion resistance or steel for cost efficiency) and thread size (M4, M6, or M8) to match project requirements. Ideal for customizing fastening solutions in leather goods, furniture, or machinery assembly.

Get inspired

With the SS304 Chicago Screw, you can achieve sleek, corrosion-resistant fastening for leather accessories or industrial machinery. The countersunk head ensures a seamless finish, while the metric thread sizes (M4–M8) cater to diverse component thicknesses.

Choose your model

ParameterBase Model (Steel M4)Advanced Model (304 M6)Pro Model (304 M8)
MaterialSteel304 Stainless Steel304 Stainless Steel
Thread SizeM4 (4mm)M6 (6mm)M8 (8mm)
Corrosion ResistanceModerateHigh (+50% vs. steel)High
WeightLightestModerateHeaviest
Tensile Strength500 MPa550 MPa (+10%)600 MPa (+20%)*

Supplier's note

  1. Technical Breakthroughs:

    • 304 Stainless Steel: Offers 50% higher corrosion resistance than steel, enabling use in humid or saline environments.
    • Countersunk Design: Reduces surface protrusion by 40%, ideal for aesthetic or space-constrained applications.
    • CE Certification: Ensures compliance with EU safety standards for mass production and export.

  2. Version Selection Guide:

    • Base Model (Steel M4): Best for lightweight, cost-sensitive projects (e.g., small leather goods).
    • Advanced Model (304 M6): Balances strength and corrosion resistance for mid-sized machinery or outdoor furniture.
    • Pro Model (304 M8): Optimal for heavy-duty applications (e.g., industrial equipment) requiring high load-bearing capacity.

*Pro Model’s 600 MPa tensile strength outperforms industry benchmarks by 20%, ensuring long-term durability under stress.

Frequently asked questions

  • Which stainless steel Chicago screw size (M4, M6, or M8) is best for small leather accessories?

  • How do I clean and maintain stainless steel Chicago screws to prevent corrosion?

  • What’s the advantage of 304 stainless steel over regular steel in Chicago screws?

  • Can I customize the material or thread size of these stainless steel Chicago screws?

  • Are these Chicago screws CE certified for commercial use?

  • Why does the countersunk head design matter for leather projects?

  • Are these screws suitable for outdoor leather items like bags or belts?

  • How does the plain finish of these screws affect their appearance and use?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionMarine, outdoor equipment, food-grade applicationsIndustry Standard: Carbon steel (ASTM A304)
Our Base: Steel (ISO 3506)
Our Advanced: 304 stainless steel (ASTM A240)		▲ Advanced: 200% higher corrosion resistance (1000+ hours salt spray test)
Base: Cost-effective for non-corrosive environments		Industry/Standard: Prone to rust in humid conditions
Advanced: Higher cost vs Base
Thread PrecisionIndustrial machinery, automotive partsIndustry Standard: Coarse thread (ISO 261)
Our Base/Advanced: Standard thread (ISO 261) with ±0.02mm tolerance		▲ Advanced: 30% tighter seal (verified via ISO 965-1) for high-vibration useBase: Slightly lower precision tolerance (±0.05mm) for budget applications
Head DesignFurniture, electronics assemblyIndustry Standard: Round head (ISO 4017)
Our Base/Advanced: Countersunk head (ISO 10429)		▲ Both tiers: Flush mounting (≤0.1mm surface gap) for aesthetic/clean finishesIndustry Standard: Protruding head may snag in tight spaces
Finish QualityConsumer goods, decorative itemsIndustry Standard: Matte finish (unspecified)
Our Base: Plain finish (SAE J423)
Our Advanced: Polished plain finish (SAE J423 Class A)		▲ Advanced: 40% smoother surface (Ra ≤0.8μm) for premium look
Base: Durable but less polished		Advanced: Requires extra polishing steps (slightly slower delivery)
Compliance CertificationsEU-regulated markets, B2B procurementIndustry Standard: No certification
Our Base/Advanced: CE (EN ISO 14592)		▲ Both tiers: EU market准入 and safety compliance for electrical applicationsIndustry Standard: Risk of non-compliance penalties in regulated regions
Load-Bearing CapacityStructural joints, heavy machineryIndustry Standard: 500N max (ASTM F548)
Our Base: 800N (ASTM F548)
Our Advanced: 1200N (ASTM F548)		▲ Advanced: Supports heavy-duty loads (e.g., industrial robots)
Base: Suitable for mid-weight applications		Industry Standard: Limited to light-duty use only

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