S-90269A215 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
• Precise component alignment ensured by the 40mm shoulder with standard fit, reducing assembly time and improving mechanical stability.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
• Secure and efficient installation with a 2mm hex socket drive and knurled head for enhanced grip and torque application.
• Accurate and reliable threading with Class 5g6g metric coarse thread (M3 x 0.5mm pitch), ensuring consistent fit and vibration resistance.
• Compliance with environmental standards, being RoHS 3 and REACH compliant for safe and sustainable use in regulated industries.
• Durable material properties with Rockwell B79 hardness, providing excellent wear resistance and long-term reliability.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered from 316 stainless steel to address common industrial challenges such as corrosion in moist or chemical-laden settings, making it ideal for machinery, automotive, and marine applications. The 40mm shoulder length provides a precise pivot or spacer, eliminating misalignment and reducing wear on moving parts. With a socket head hex drive and knurled texture, it allows for quick, secure assembly even in tight spaces, while the Class 5g6g thread fit ensures consistent engagement and resistance to loosening under vibration. This combination of high tensile strength and corrosion-resistant properties delivers reliable performance in precision assemblies, enhancing operational efficiency and reducing maintenance costs.

Specification Summary & Compliance

This metric shoulder screw features precise dimensions, including a shoulder diameter of 4 mm with a tolerance of -0.072 to -0.01 mm and a shoulder length of 40 mm with a tolerance of 0 to 0.25 mm. The thread specifications adhere to Class 5g6g fit for metric coarse threads (M3 x 0.5 mm pitch), ensuring high accuracy and interchangeability. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets stringent environmental and safety standards for industrial use.