S-90269A206 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extending service life.
• High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B79 hardness, ensuring reliable performance under load.
• Precise and secure alignment provided by the 9mm shoulder with controlled diameter tolerance, minimizing component misalignment.
• Easy installation and removal with a 2mm hex socket drive and knurled head for improved grip and torque application.
• Consistent and reliable thread engagement due to the M3 x 0.5mm coarse pitch thread with Class 5g6g fit, reducing cross-threading risks.
• Compliance with stringent environmental regulations, being RoHS 3 and REACH compliant for safe use in regulated industries.
• Versatile right-hand metric threading ensures broad compatibility with standard industrial components and assemblies.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical challenges in precision assemblies, such as maintaining exact part alignment and resisting environmental degradation. The 316 Stainless Steel material offers exceptional resistance to corrosion from chemicals and moisture, making it suitable for medical devices, marine equipment, and food processing machinery. The knurled head and hex drive facilitate secure tool engagement, reducing slippage during installation in tight spaces. With a class 5g6g thread fit and controlled shoulder dimensions, it ensures minimal play and vibration, enhancing the longevity and reliability of high-stress mechanical systems. This screw is a trusted solution for applications demanding high-strength and dimensional stability.

Specification Summary & Compliance

This shoulder screw features a metric M3 x 0.5mm coarse pitch thread with a Class 5g6g thread fit for precise engagement. The shoulder diameter is 4 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 9 mm with a tolerance of 0 to 0.25 mm, ensuring accurate alignment. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industries.