S-90265A354 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing replacement frequency.
• Exceptional mechanical strength offering a tensile strength of 70,000 psi and shear strength of 45,000 psi for reliable performance under high stress.
• Precise component alignment enabled by the 60mm shoulder with controlled diameter tolerance, minimizing assembly play and vibration.
• Secure and efficient installation with a hex socket drive and knurled head, providing excellent grip and preventing tool slippage.
• Reliable thread engagement ensured by the M8x1.25 coarse thread with Class 5g6g fit, facilitating faster assembly and consistent clamping force.
• Compliance with international standards including ISO 7379, ensuring dimensional interchangeability and quality for global engineering projects.
• Environmentally responsible manufacturing meeting RoHS 3 and REACH regulations, supporting your company's sustainability goals.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to solve critical alignment and durability challenges in demanding industrial applications. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for machinery, automotive assemblies, and equipment exposed to moisture or chemicals. The long, precision-machined 60mm shoulder acts as a pivot, bearing, or shaft, ensuring accurate location of parts like gears and pulleys without the need for additional bushings. This reduces assembly complexity and component count. The hex socket drive and coarse thread with a Class 5g6g thread fit allow for high torque application and rapid installation, minimizing downtime in production lines. Its high tensile strength and Rockwell B83 hardness ensure it maintains integrity under dynamic loads, providing long-term reliability and reducing maintenance cycles.

Specification Summary & Compliance

This shoulder screw features an M8x1.25 metric coarse thread with a Class 5g6g thread fit for standard tolerance. The shoulder diameter is 12 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 60 mm with a tolerance of 0 to 0.25 mm, ensuring high dimensional accuracy. It is manufactured in compliance with the ISO 7379 standard and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for use in regulated markets and sustainable manufacturing processes.