S-90269A569 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction with protective black oxide finish.
• High mechanical strength and durability with a tensile strength of 70,000 psi and shear strength of 35,000 psi for reliable performance under load.
• Precise shoulder fit and alignment with a smooth, standard shoulder diameter of 6 mm, ensuring stable component positioning.
• Easy and secure installation using a standard 3 mm hex drive, providing a non-slip, flush fit in demanding applications.
• Robust coarse thread design (M4 x 0.7mm) with Class 5g6g thread fit for quick assembly and strong holding power in various materials.
• Compliance with strict environmental regulations, including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.
• Versatile right-hand metric threading for broad compatibility with standard industrial components and equipment.

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and corrosion challenges in precision assemblies. The 316 stainless steel material offers exceptional resistance to chemicals and moisture, while the black oxide finish enhances surface durability and reduces galling. The integrated shoulder with a smooth texture and precise diameter tolerance provides a stable pivot or spacer, minimizing wear in rotating parts like bearings, linkages, and machinery guides. With its coarse thread spacing and Class 5g6g thread fit, it ensures fast, secure fastening in metal, plastic, or composite substrates, reducing installation time and improving reliability in automotive, aerospace, and industrial equipment applications.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with an M4 x 0.7 mm coarse thread and Class 5g6g thread fit for consistent dimensional accuracy. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring precise assembly. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free of hazardous substances and suitable for regulated industries.