S-90269A957 M33 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure.
• Enhanced durability and wear resistance from the black oxide finish, providing long-lasting performance and reduced maintenance.
• Precise alignment and smooth rotation thanks to the 36mm shoulder diameter with tight tolerance, minimizing part movement and wear.
• High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi minimum shear strength, ensuring reliable performance under stress.
• Secure and efficient installation using the 17mm hex drive and knurled head, offering excellent grip and torque application.
• Accurate and consistent fit with Class 5g6g thread fit and coarse M33x3.5 thread, facilitating easy assembly and disassembly.
• Compliance with international standards including ISO 7379, RoHS, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This M33 shoulder screw is engineered to address critical challenges in industrial settings, such as misalignment and component wear. Made from 316 stainless steel, it offers exceptional resistance to corrosion and high temperatures, making it suitable for applications in marine, chemical processing, and food machinery. The black oxide finish not only enhances durability but also reduces friction, extending the life of moving parts. With a 140mm shoulder length and precise 36mm shoulder diameter, it provides stable pivoting and alignment in assemblies like conveyor systems, robotic arms, and precision instruments. The hex drive and coarse metric thread ensure quick, secure fastening, reducing downtime in production lines and maintenance cycles.

Specification Summary & Compliance

This shoulder screw features a thread fit of Class 5g6g with a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring high dimensional accuracy. It conforms to ISO 7379 for metric shoulder screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), meeting strict environmental and safety regulations for industrial use.