S-90269A336 M12 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable performance under high-stress conditions.
• Precision shoulder fit with a 16mm diameter and 25mm length for accurate component alignment and reduced wear in assemblies.
• Easy installation and removal facilitated by the 8mm hex socket drive and knurled head, providing a secure grip and preventing tool slippage.
• Dependable thread engagement with a coarse M12x1.75mm thread and Class 5g6g fit, ensuring consistent fastening and vibration resistance.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing product safety and environmental responsibility.
• Enhanced durability from Rockwell B79 hardness, maintaining structural integrity and longevity in demanding applications.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy-duty equipment. The 316 stainless steel material provides excellent resistance to corrosion and chemical exposure, making it suitable for marine, chemical processing, and food industry applications where moisture and contaminants are prevalent. The knurled head and hex socket drive allow for quick, tool-safe installation, reducing assembly time and minimizing the risk of damage. The precisely machined shoulder with tight diameter and length tolerances ensures accurate positioning of moving parts, such as in bearings, pulleys, and gears, preventing misalignment and extending service life. With its coarse thread pitch and high tensile strength, it delivers reliable clamping force and vibration resistance in dynamic environments, supporting efficient maintenance and operational safety.

Specification Summary & Compliance

This shoulder screw features a metric M12x1.75mm coarse thread with a Class 5g6g thread fit per ISO standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter is 16 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 25 mm with a tolerance of 0 to 0.25 mm, providing precise fits for engineering assemblies. It is manufactured in compliance with ISO 7379 for consistent quality, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards without hazardous substances.