S-90263A241 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Precise component alignment thanks to the 5mm shoulder diameter with tight -0.025 to 0mm tolerance for secure, wobble-free assembly
• High mechanical strength delivering 70,000 psi tensile strength and Rockwell B79 hardness for reliable performance under load
• Accurate thread engagement with Class 6g fit and M4 x 0.7mm coarse thread spacing for quick, secure fastening
• Easy installation and removal using a standard 2.5mm hex key, compatible with common tools
• Durable, smooth head design with socket head profile preventing cam-out and ensuring clean, professional appearance
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 316 stainless steel material, combined with a passivated finish, provides exceptional resistance to chemicals and moisture, making it suitable for medical devices, food processing equipment, and marine applications. The precisely machined 5mm shoulder diameter with minimal tolerance ensures components are accurately positioned, reducing wear and vibration in rotating mechanisms. With its Class 6g thread fit and coarse thread spacing, it offers reliable fastening in high-vibration environments, while the socket head design allows for compact installations where space is limited. This screw delivers consistent performance in automated machinery, optical instruments, and other demanding industrial applications.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with an M4 x 0.7mm thread size and Class 6g thread fit for precise dimensional accuracy. The shoulder features a diameter tolerance of -0.025 to 0mm and length tolerance of 0 to 0.05mm, ensuring exact alignment in assemblies. Manufactured from 316 stainless steel with a passivated finish, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in regulated and environmentally conscious industries.