S-90269A584 M4 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 the black oxide finish, providing added protection against abrasion.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
• Precise assembly and alignment enabled by the 12mm shoulder with standard fit, ensuring accurate component positioning.
• Secure and efficient fastening with the Class 5g6g thread fit and M4 x 0.7mm coarse thread, reducing the risk of loosening.
• Easy installation in confined spaces using the hex socket drive, allowing for high torque application with standard tools.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safety and sustainability in industrial use.

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and assembly jigs where alignment and durability are paramount. The 316 stainless steel material provides exceptional resistance to corrosion from chemicals, moisture, and high temperatures, making it suitable for demanding sectors like marine, chemical processing, and food equipment. The black oxide finish not only enhances aesthetic appeal but also reduces friction and wear during operation. With its 12mm shoulder length and precise Class 5g6g thread fit, it ensures stable rotational movement and minimizes misalignment in pivots, bearings, and linkages. This design reduces maintenance downtime and improves the longevity of high-stress components, offering reliable performance in industrial applications that require consistent torque and shear strength.

Specification Summary & Compliance

This shoulder screw features a metric M4 x 0.7mm coarse thread with a Class 5g6g thread fit for standard tolerance, a shoulder diameter of 6 mm with a tolerance of -0.072 to -0.01 mm, and a shoulder length of 12 mm with a tolerance of 0 to 0.25 mm. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial standards.