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  • Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw
  • Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw
  • Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw
  • Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw
  • Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw
Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw
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Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw

  • 5000 - 9999 Pieces
    $0.02
  • >= 10000 Pieces
    $0.01

Customization:

Customized logo（Min.Order: 30000 pieces）
Customized packaging（Min.Order: 30000 pieces）
Graphic customization（Min.Order: 30000 pieces）
View product details

Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Self-Centering Precision: The conical head with a sharp point ensures effortless self-centering during installation, eliminating the need for pre-tapping and achieving precise alignment in holes.
  • High Torque Security: Fine threads (as specified) provide stable grip and secure fastening under heavy loads, ideal for applications requiring durability and resistance to loosening.

Key features

  • 1. Material Technology

    • With 304 stainless steel and customizable surface treatments (e.g., zinc-flake coated, chrome plated), you can ensure corrosion resistance and durability in demanding environments. Compared to standard steel screws, these coatings reduce rust formation by up to 40%.

  • 2. Performance Parameters

    • With coarse threads and a conical head, you can achieve high torque and secure fastening in applications requiring robust grip. The coarse thread design provides 25% greater torque capacity than fine-thread screws.

  • 3. Scenario Solutions

    • With a self-centering conical head and sharp point, you can simplify installation in machinery and industrial equipment by eliminating the need for precise pre-alignment. Ideal for automated assembly lines where speed and accuracy are critical.

  • 4. Certification Standards

    • With SVHC compliance, you can meet strict environmental and safety regulations, ensuring suitability for industries demanding eco-friendly and non-toxic materials.

  • 5. Customization Flexibility

    • With customizable head types, thread sizes (M2–M8), and materials (stainless steel, brass, steel), you can tailor the screw to specific applications—from corrosive environments to high-torque industrial machinery. Custom options reduce the need for multiple inventory types.

Product details

Custom M2 2.5 M3 M4 M5 M6 DIN551 Stainless Steel Grub Screws M2 X 6mm Slotted Head Cone Point Set Screw

The Custom M2-M6 DIN551 Stainless Steel Grub Screw is engineered for precision applications requiring self-centering alignment and high torque retention. Featuring a conical head with a sharp point, fine threads, and customizable materials (304 stainless steel, brass, steel), this screw meets SVHC compliance and offers versatile surface treatments like blue anodizing or zinc-flake coating. Ideal for machinery, industrial equipment, and precision tools, it balances durability, corrosion resistance, and adaptability.

Technical specifications

FeatureSpecificationBenefit
Self-Centering DesignConical head with sharp pointEnsures precise alignment, simplifies installation
Thread TypeFine thread (DIN551 standard)High torque retention, secure fastening
Material304 stainless steel, brass, steelCorrosion resistance, cost-effective options
CertificationSVHC compliantMeets environmental and safety standards
Head TypeCustomizableAdapts to diverse functional/aesthetic needs
Surface TreatmentsBlue anodized, zinc-flake coated, etc.Enhanced corrosion resistance, aesthetic flexibility
Length Options6mm, 8mm, 10mm, 12mm, 25mmVersatile for varied application depths
Measurement SystemInchCompatible with standard inch-based systems

Customization guide

Adjustable parameters include:

  • Thread Pitch: Customize to meet specific torque requirements (e.g., finer threads for higher precision).
  • Head Design: Modify shape/size to align with machinery components or aesthetic standards.
  • Material: Select based on corrosion resistance (e.g., 304 stainless steel for marine use) or cost efficiency (e.g., steel for general industrial applications).

Get inspired

Ideal for machinery, industrial equipment, and precision tools where alignment and torque are critical. Choose corrosion-resistant materials like 304 stainless steel for harsh environments or zinc-flake coatings for added durability.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Torque Capacity100 Nm+15% (115 Nm)+30% (130 Nm)*
Corrosion Resistance150 hrs salt spray+50% (225 hrs)+200% (450 hrs)
Thread Pitch1.5mm (fine)1.25mm (finer)1.0mm (ultra-fine)
MaterialSteel304 StainlessCustom Alloy

Supplier's note

  1. Key Technical Breakthroughs:

    • Self-Centering Design: Reduces alignment errors by 40% compared to standard screws.
    • Zinc-Flake Coating: Offers 3x longer corrosion resistance than plain steel.
    • Fine Thread Geometry: Achieves 25% higher torque retention than coarse-thread alternatives.

  2. Version Selection Guide:

    • Base Model: Ideal for standard industrial applications (e.g., machinery assembly) where cost efficiency is prioritized.
    • Advanced Model: Best for corrosive environments (e.g., chemical plants) due to its 225-hour salt spray resistance.
    • Pro Model: Tailored for high-torque, precision-critical uses (e.g., aerospace components) with triple the corrosion resistance of the Base Model.

With the Pro Model’s ultra-fine thread pitch, you can achieve 20% faster installation while maintaining 130 Nm torque—perfect for tight spaces in robotics systems.

Frequently asked questions

  • Which DIN551 grub screw model is best for precision machinery with tight space constraints?

  • How do I clean and maintain stainless steel DIN551 grub screws with blue anodized finishes?

  • What are the advantages of 304 stainless steel over brass for DIN551 grub screws in corrosive environments?

  • Can I customize the head type and material of DIN551 grub screws for aerospace applications?

  • Are DIN551 grub screws compliant with SVHC regulations for industrial equipment?

  • Which DIN551 grub screw thread size (M4/M5) is best for high-torque applications?

  • Why choose 304 stainless steel over regular steel for DIN551 grub screws in marine environments?

  • Can I get DIN551 grub screws with zinc-flake coating for outdoor machinery?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
MaterialHarsh environments (marine, chemical plants)Industry: Carbon Steel (ASTM A36, no corrosion protection)
Base: 304 Stainless Steel (ASTM A240, 1000+ hours salt spray ▲)
Advanced: Brass with Cadmium Plating (MIL-DTL-87802, 2000+ hours salt spray ▲▲)		Base: Corrosion resistance for moderate environments
Advanced: Extreme durability in aggressive chemicals		Base: Higher weight than carbon steel
Advanced: Cadmium requires hazardous material handling
FinishIndustrial machinery, outdoor equipmentIndustry: Zinc-plated (ASTM B695, 6 hours salt spray)
Base: Blue Anodized (ASTM B559, 200+ hours salt spray ▲)
Advanced: Zinc-Flake Coated (ISO 1461, 1000+ hours salt spray ▲▲)		Base: Aesthetic appeal + corrosion resistance
Advanced: Long-term outdoor durability		Base: Limited color options
Advanced: Heavier and costlier than base finishes
Thread TypePrecision instruments, high-torque applicationsIndustry: Coarse Thread (ISO 261, 1.5mm pitch)
Base: Fine Thread (ISO 261, 1.0mm pitch ▲)
Advanced: Custom Thread Pitch (ISO 261, tailored torque ▲▲)		Base: Tighter fits for precision
Advanced: Optimized torque for specific loads		Base: Risk of thread stripping
Advanced: Requires custom tooling
Length OptionsCustom machinery, long shaft applicationsIndustry: Standard lengths (6-12mm)
Base: 6-25mm (ISO 2768 ▲)
Advanced: Custom lengths (up to 50mm, ±0.1mm tolerance ▲▲)		Base: Versatile for most applications
Advanced: Precision for specialized equipment		Base: Limited to stock sizes
Advanced: Longer lead times for custom orders
CertificationsRegulated industries (medical, aerospace)Industry: None
Base: SVHC Compliance (REACH Regulation 1907/2006 ▲)
Advanced: SVHC + ISO 9001 (Quality Management ▲▲)		Base: Meets basic regulatory requirements
Advanced: Full compliance for critical industries		Base: No advanced certifications
Advanced: Higher certification costs
CustomizationOEM projects, specialized equipmentIndustry: Basic (head type only)
Base: Material + head type (▲)
Advanced: Full customization (material/thread/finish ▲▲)		Base: Flexibility for moderate needs
Advanced: Tailored solutions for unique specs		Base: Limited to predefined options
Advanced: Higher MOQ and pricing

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