S-91273A412 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing replacement frequency.
• Enhanced grip and anti-slip performance from the knurled head, allowing for secure manual adjustments without tools in certain applications.
• High-strength reliability with a tensile strength of 70,000 psi and a shear strength of 35,000 psi, ensuring joint integrity under significant loads.
• Precise location and smooth rotation provided by the 30mm shoulder with tight diameter tolerance, acting as a reliable pivot or axle.
• Easy installation with standard tools using the 3mm hex socket drive, streamlining assembly and maintenance processes.
• Accurate and secure thread engagement due to the M6x1mm coarse thread with Class 5g6g fit, minimizing cross-threading risks.
• Compliance with strict environmental regulations including RoHS 3 and REACH, ensuring suitability for global industrial supply chains.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and wear issues in precision assemblies. The 18-8 stainless steel material offers excellent resistance to oxidation and chemicals, making it perfect for machinery, automotive, and electronic enclosures exposed to moisture. The 30mm shoulder length provides a precise bearing surface, preventing component misalignment and reducing wear on moving parts. Combined with the knurled socket head and hex drive, it ensures quick, secure fastening in space-constrained applications, enhancing assembly efficiency and long-term operational stability in demanding industrial fastening scenarios.

Specification Summary & Compliance

This shoulder screw adheres to metric (M6x1mm coarse) threading standards with a Class 5g6g thread fit for reliable engagement. The shoulder diameter tolerance is -0.04 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. Manufactured from 18-8 stainless steel with a hardness of Rockwell B55, it meets performance specifications for tensile and shear strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications.