S-90269A699 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and black oxide finish, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in high-stress applications.
• Precise location and smooth rotation provided by the 40mm long, accurately machined shoulder with a standard fit.
• Secure and easy installation enabled by the 5mm hex socket drive and knurled head, which prevents tool slippage.
• Reliable thread engagement ensured by the M8x1.25mm coarse thread with a Class 5g6g fit for consistent fastening.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH for guaranteed quality and environmental safety.
• Durable and wear-resistant material with a Rockwell B79 hardness, maintaining integrity under repeated use.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to solve critical alignment and pivot point challenges in industrial machinery. The 316 Stainless Steel material provides excellent resistance to chemicals and moisture, preventing failure in corrosive settings like marine or chemical processing equipment. The black oxide finish adds an extra layer of protection while reducing galling. The precision-ground shoulder acts as a dowel for accurate component positioning, eliminating the need for separate spacers or bushings and reducing assembly time. Its coarse thread and Class 5g6g thread fit ensure quick and secure fastening in metals and plastics, making it a versatile choice for conveyor systems, robotics, and automotive jigs where vibration resistance and dimensional stability are paramount.

Specification Summary & Compliance

This shoulder screw features an M8x1.25mm coarse metric thread with a Class 5g6g tolerance for reliable fit. The shoulder diameter is 10 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 40 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 is confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent international regulations for material safety and environmental protection.