S-90269A679 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
• Enhanced durability and wear resistance from Rockwell B79 hardness, reducing replacement frequency and maintenance costs.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
• Precise alignment and spacing with a 10 mm shoulder diameter and 12 mm shoulder length, ensuring accurate component positioning.
• Secure and efficient installation using a 5 mm hex socket drive and knurled head for improved grip and torque application.
• Broad industry compliance meeting ISO 7379 standards and RoHS/REACH regulations, ensuring safety and global acceptability.
• Optimized thread performance with Class 5g6g fit and coarse M8x1.25 threads for quick assembly and strong holding power.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in precision assembly and machinery. The 316 stainless steel material provides excellent resistance to corrosion and chemicals, making it suitable for applications in marine, chemical processing, and food industries. The black oxide finish adds an extra layer of protection against wear and galling, while the knurled head and hex socket drive facilitate easy installation in tight spaces, reducing assembly time and tool slippage. With a shoulder diameter of 10 mm and precise tolerances, it ensures accurate alignment for rotating parts like bearings and pulleys, minimizing vibration and extending equipment lifespan. This screw is ideal for high-stress environments where ISO 7379 compliance and consistent performance are paramount, offering reliable solutions for industrial automation, automotive, and aerospace sectors.

Specification Summary & Compliance

This shoulder screw features a metric M8x1.25 coarse thread with Class 5g6g thread fit for standard industrial use. Shoulder dimensions include a diameter of 10 mm (tolerance: -0.072 to -0.01 mm) and length of 12 mm (tolerance: 0 to 0.25 mm), ensuring precise fit. It complies with ISO 7379 manufacturing standards and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for global applications.