S-91273A775 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance
• Precise component alignment thanks to the 10mm shoulder with tight diameter tolerance for reduced vibration and wear
• Secure, non-slip installation featuring a knurled head and 2mm hex socket drive for firm tool grip
• Enhanced durability with Rockwell B55 hardness and black oxide finish for added wear and corrosion protection
• Accurate thread engagement with Class 5g6g thread fit and M3x0.5 coarse pitch for quick assembly
• Compliance with global standards including RoHS 3 and REACH, ensuring safe use in regulated industries

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 10mm shoulder length provides a stable bearing surface, minimizing misalignment in machinery, robotics, and electronic enclosures. Made from 18-8 stainless steel with a black oxide finish, it resists rust and wear in demanding conditions, while the hex socket drive and knurled head ensure secure tightening without slippage. Ideal for applications requiring repeated disassembly, the Class 5g6g thread fit guarantees consistent performance in automated production lines, reducing maintenance downtime and enhancing operational reliability.

Specification Summary & Compliance

This shoulder screw features a M3x0.5 metric thread with Class 5g6g tolerance for precise fit, a shoulder diameter of 3 mm with tolerance of -0.04 to -0.01 mm, and shoulder length of 10 mm with tolerance of 0 to 0.25 mm. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial use.