S-90278A341 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise component alignment ensured by the 8mm shoulder diameter with tight tolerance (-0.025 to 0mm)
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance
• Easy installation and removal using the standard 4mm hex socket drive, reducing assembly time
• Accurate thread engagement with Class 6g fit and M6x1mm coarse thread for secure fastening
• Environmental compliance meeting RoHS 3 and REACH regulations for safe, sustainable use
• Durable, smooth head design minimizes friction and wear during repeated use

Professional Applications & Engineering Value

This precision shoulder screw is engineered to solve critical alignment challenges in industrial machinery and automation systems. The 18-8 stainless steel material provides excellent corrosion resistance, essential for operations in humid or chemically exposed environments. The 8mm shoulder diameter with precise fit tolerance ensures exact positioning of moving parts, reducing vibration and misalignment in applications like rotating assemblies, gearboxes, and conveyor systems. The M6x1mm coarse thread and Class 6g thread fit offer quick, secure fastening, while the hex socket drive allows for efficient tool access in confined spaces. Ideal for use as alignment pins or shafts in precision equipment, this screw enhances operational reliability and reduces maintenance downtime.

Specification Summary & Compliance

This metric shoulder screw adheres to Class 6g thread fit standards for dimensional accuracy, with shoulder diameter tolerance of -0.025 to 0 mm and shoulder length tolerance of 0 to 0.05 mm. It is manufactured from 18-8 stainless steel with a tensile strength of 70,000 psi and hardness of Rockwell B55. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets international environmental and safety standards for industrial fasteners.