S-90265A194 M3 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Corrosion Resistance: Crafted from 18-8 Stainless Steel, this screw offers long-term reliability in harsh or humid environments, reducing maintenance and replacement costs.
• High Tensile & Shear Strength: With a tensile strength of 70,000 psi and a minimum shear strength of 45,000 psi, it ensures secure and durable fastening for high-stress applications.
• Precision Thread Fit: The Class 5g6g thread fit provides consistent, reliable engagement, minimizing the risk of cross-threading and ensuring smooth assembly.
• Secure and Easy Installation: The 2.5 mm hex drive socket head with a knurled texture offers superior grip and torque transmission, preventing tool slippage and speeding up installation.
• Accurate Shoulder Positioning: Features a precisely machined shoulder with tight diameter and length tolerances, providing a dependable pivot, spacer, or bearing surface in assemblies.
• Global Standard Compliance: Manufactured to meet ISO 7379 specifications, ensuring interchangeability and quality consistency in international projects.
• Environmentally Safe Material: Compliant with RoHS 3 and REACH regulations, making it a responsible choice for global supply chains and sensitive applications.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to solve critical alignment and wear issues in precision assemblies. The 18-8 Stainless Steel construction provides excellent resistance to oxidation and chemical exposure, ideal for machinery, electronics, and automotive components exposed to moisture or contaminants. The coarse 0.5 mm pitch thread and Class 5g6g fit ensure quick, secure fastening with high vibration resistance, reducing loosening in dynamic environments. The integrated shoulder acts as a precise locating dowel or pivot, maintaining component alignment and absorbing radial loads, which extends the life of moving parts. The knurled socket head enhances tool engagement, preventing damage during high-torque applications and improving assembly efficiency on production lines.

Specification Summary & Compliance

This shoulder screw features an M3 x 0.5 mm coarse pitch thread with a Class 5g6g tolerance for precise fit. The shoulder diameter is 5 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 10 mm with a tolerance of 0 to 0.25 mm, ensuring high dimensional accuracy. It is manufactured in compliance with ISO 7379 and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for restricted substance-controlled industries.