S-91273A418 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
• Precise alignment and smooth rotation ensured by the 70mm shoulder with a tight diameter tolerance for reduced wear in assemblies.
• High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing in demanding applications.
• Secure and efficient installation using the 3mm hex socket drive and knurled head, providing excellent grip and preventing tool slippage.
• Accurate and reliable threading with Class 5g6g fit M6x1mm coarse thread, ensuring consistent engagement and vibration resistance.
• Compliance with strict environmental standards, being RoHS 3 and REACH compliant for safe use in regulated industries.
• Versatile metric design with standard socket head profile for broad compatibility in various machinery and equipment.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and pivot point requirements in industrial machinery. The 70mm shoulder length provides a precise unthreaded bearing surface, minimizing friction and wear in rotating assemblies like gears, linkages, and pulleys. Manufactured from 18-8 stainless steel, it offers excellent resistance to rust and corrosion, making it suitable for applications in manufacturing, automation, and outdoor equipment. The hex socket drive and knurled head ensure secure installation even in tight spaces, reducing assembly time and preventing damage. With its Class 5g6g thread fit and high tensile strength, this screw maintains integrity under dynamic loads, solving common issues of loosening and misalignment in precision engineering projects.

Specification Summary & Compliance

The screw features a Metric M6x1mm coarse thread with a Class 5g6g thread fit for standard precision. The shoulder diameter tolerance is -0.04 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances for safe industrial use.