S-90269A436 M2 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
• Precise assembly and secure fastening ensured by the Class 5g6g thread fit, minimizing the risk of loosening under vibration
• High-strength performance with 70,000 psi tensile strength and 35,000 psi minimum shear strength, suitable for demanding mechanical applications
• Easy installation and removal using a standard 2 mm hex key, facilitated by the socket head design and knurled head texture for improved grip
• Accurate alignment and spacing due to the 18 mm shoulder length with tight tolerance, providing reliable positioning in assemblies
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical challenges in precision assemblies, such as maintaining alignment and resisting environmental degradation. The 316 stainless steel material offers exceptional resistance to corrosion from chemicals, moisture, and salt spray, making it ideal for marine, chemical processing, and outdoor equipment. The black oxide finish not only enhances aesthetics but also reduces friction and wear during repeated use. With its hex socket drive and knurled head, it allows for secure tool engagement and manual adjustments in tight spaces, reducing installation time and improving reliability. The precise Class 5g6g thread fit and consistent shoulder dimensions ensure minimal play and vibration resistance, crucial for machinery, electronics, and automotive components where high tensile strength and dimensional accuracy are paramount.

Specification Summary & Compliance

This shoulder screw features a metric M2 x 0.4mm coarse thread with Class 5g6g thread fit for standard tolerance applications. The shoulder diameter is 3 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 18 mm with a tolerance of 0 to 0.25 mm, ensuring precise fit in assemblies. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in products requiring adherence to environmental and safety standards. Manufactured to consistent quality, it meets general industrial specifications for reliable performance.