S-90323A488 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ensuring longevity in harsh industrial environments.
• Precise component alignment thanks to the precisely machined shoulder with tight diameter and length tolerances, reducing assembly errors.
• High mechanical strength offering 80,000 psi tensile strength and Rockwell B95 hardness for reliable performance under heavy loads.
• Easy installation and space-saving design with a low-profile socket head and 5mm hex drive, ideal for confined spaces.
• Accurate and secure fastening with Class 6g thread fit and coarse M8x1.25 thread, ensuring vibration resistance and quick assembly.
• Compliance with environmental regulations including RoHS 3 and REACH, making it safe for various global applications.
• Durable and low-maintenance due to the smooth head texture and robust material, minimizing wear over time.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common industrial challenges such as misalignment and corrosion in machinery. Made from 18-8 stainless steel with a passivated finish, it resists rust and chemical exposure, extending service life in demanding settings like automotive assemblies, precision instruments, and conveyor systems. The low profile socket head and hex drive allow for easy access in tight spaces, while the precise shoulder diameter and length ensure accurate positioning of moving parts, reducing downtime and maintenance costs. Its Class 6g thread fit and coarse pitch provide reliable fastening that withstands vibrations, making it a top choice for engineers seeking durability and efficiency in industrial shoulder screw applications.

Specification Summary & Compliance

This shoulder screw adheres to metric standards with an M8x1.25 coarse thread and Class 6g thread fit for precise tolerance. Key dimensions include a shoulder diameter of 10 mm (tolerance: -0.025 to 0 mm) and shoulder length of 18 mm (tolerance: 0 to 0.05 mm), ensuring accurate assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for industrial use.