S-90265A582 M4 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Crafted from 18-8 stainless steel with a black oxide finish, this screw offers superior protection against rust and wear in demanding environments.
• Precise Shoulder Alignment: The 15mm shoulder with a controlled diameter tolerance ensures accurate component location and smooth rotational movement.
• High Mechanical Strength: With a 70,000 psi tensile strength and 45,000 psi minimum shear strength, it provides reliable performance under high-stress conditions.
• Secure & Easy Installation: The knurled head and 2.5mm hex drive offer excellent grip and torque transmission, preventing tool slippage during assembly.
• Standardized Thread Fit: Features a Class 5g6g thread fit for consistent, reliable engagement and interchangeability in metric assemblies.
• Broad Regulatory Compliance: Meets ISO 7379 specifications and is compliant with RoHS 3 and REACH regulations for safe, global use.
• Optimized for Precision Applications: The combination of a 5mm thread length and coarse M4x0.7 thread ensures quick assembly and robust fastening in tight spaces.

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to solve critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel construction provides excellent corrosion resistance, making it ideal for machinery, automotive, and electronics applications exposed to moisture or chemicals. The 15mm shoulder acts as a precise pivot or spacer, eliminating the need for additional bushings and reducing assembly complexity. The black oxide finish not only enhances aesthetics but also adds a layer of protection, reducing galling and wear. With its hex drive and knurled head, it ensures secure installation in high-vibration environments, providing long-term reliability and reducing maintenance downtime for B2B clients.

Specification Summary & Compliance

This metric shoulder screw adheres to strict dimensional tolerances, including a shoulder diameter tolerance of -0.072 to -0.01 mm and a shoulder length tolerance of 0 to 0.25 mm. The thread is manufactured to a Class 5g6g fit per ISO metric standards, ensuring precision and compatibility. It conforms to ISO 7379 for shoulder screw specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing it is free from hazardous substances and safe for industrial use worldwide.