S-90269A530 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and black oxide finish, ideal for harsh environments
• Precise component alignment ensured by the 45mm shoulder length with tight tolerance control
• High-strength performance delivering 70,000 psi tensile and 35,000 psi shear strength for demanding applications
• Secure, non-slip installation with the knurled hex socket head design for reliable torque transmission
• Accurate and durable threading featuring Class 5g6g fit and coarse M4 x 0.7mm pitch for easy assembly
• Enhanced durability with Rockwell B79 hardness, resisting wear and deformation under load
• Compliance with global standards including RoHS 3 and REACH, ensuring safe and regulated use

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. The 316 stainless steel material, combined with a black oxide finish, provides exceptional resistance to corrosion and chemicals, making it suitable for machinery, automotive, and marine applications. The 45mm shoulder length and precise 5mm shoulder diameter allow for accurate positioning of moving parts, reducing wear and misalignment. The hex socket drive and knurled head ensure secure fastening in high-vibration environments, while the Class 5g6g thread fit guarantees consistent engagement and reliability. Ideal for precision equipment, this shoulder screw enhances assembly integrity and longevity.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, with a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm for precise engineering. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence in industrial use.