S-91273A792 M5 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 harsh industrial environments.
• Precision Fit for Secure Assembly: Features a Class 5g6g thread fit, ensuring reliable engagement and reducing the risk of loosening under vibration or load.
• High Mechanical Strength: With a tensile strength of 70,000 psi and a minimum shear strength of 35,000 psi, it provides robust performance for demanding applications.
• Easy Installation & Grip: The knurled socket head with a 2.5 mm hex drive allows for quick, tool-friendly installation and a secure grip, minimizing slippage.
• Accurate Shoulder Positioning: The shoulder diameter of 5 mm with a tight tolerance (-0.04 to -0.01 mm) ensures precise alignment and spacing in assemblies.
• Compliance with Environmental Standards: RoHS 3 and REACH compliant, making it safe for use in regulated industries and supporting corporate sustainability goals.
• Versatile Coarse Thread Design: The M5x0.8 coarse pitch thread enables faster assembly and better performance in materials prone to stripping.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address common industrial challenges such as misalignment and component wear. The 18-8 Stainless Steel material, combined with a Black Oxide finish, provides excellent corrosion resistance, ideal for machinery exposed to moisture or chemicals. Its Class 5g6g thread fit and precise shoulder diameter (5 mm with tight tolerances) ensure stable positioning in assemblies like pivots, gears, and electronic enclosures, reducing the need for additional bushings. The knurled socket head and hex drive design facilitate easy installation in confined spaces, while the coarse thread pitch (0.8 mm) enhances grip in softer materials, preventing thread damage. Commonly used in automation, automotive, and electronics, this screw delivers reliable performance in high-stress environments, streamlining maintenance and improving equipment longevity.

Specification Summary & Compliance

This shoulder screw adheres to Metric standards with a thread size of M5 and pitch of 0.8 mm, featuring a Class 5g6g thread fit for precise dimensional accuracy. The shoulder diameter tolerance is -0.04 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for global industrial applications.