S-90278A333 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Precise component alignment ensured by the precisely machined shoulder with controlled diameter and length tolerances for reliable assembly.
• High-strength performance offering a tensile strength of 70,000 psi and Rockwell B55 hardness for demanding mechanical applications.
• Secure and flush installation enabled by the smooth head and standard hex socket drive, providing a clean finish and high torque capability.
• Reliable thread engagement with a coarse M5x0.8 thread and Class 6g fit, facilitating quick assembly and vibration resistance.
• Compliance with stringent regulations, being RoHS 3 and REACH compliant for safe use in various global markets.
• Versatile metric sizing with a 10mm head, 6mm thread length, and 8mm shoulder length, designed for compatibility with standard metric components.

Professional Applications & Engineering Value

This precision shoulder screw is engineered from 18-8 stainless steel to address critical needs in machinery, automation, and assembly systems where alignment and durability are paramount. The M5x0.8 coarse thread and Class 6g fit ensure rapid, secure fastening in high-vibration environments, reducing maintenance downtime. The precisely controlled shoulder diameter and length provide an exact pivot or spacer, eliminating misalignment in rotating parts like gears and pulleys. With a hex socket drive and robust 70,000 psi tensile strength, it withstands heavy loads, making it ideal for industrial applications in automotive, electronics, and conveyor systems, where consistent performance and regulatory compliance are essential.

Specification Summary & Compliance

This M5 shoulder screw features a metric thread with Class 6g tolerance for precise fit, a shoulder diameter tolerance of -0.025 to 0 mm, and shoulder length tolerance of 0 to 0.05 mm. Manufactured in accordance with standard metric specifications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.