S-90278A346 M6 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• High mechanical strength and durability offering a tensile strength of 70,000 psi and Rockwell B55 hardness for reliable performance under load.
• Precise component alignment enabled by the accurately machined shoulder with a diameter of 10mm and length of 12mm, minimizing assembly play.
• Secure and efficient installation using the 4mm hex socket drive, providing high torque transfer and a flush, smooth head profile.
• Reliable thread engagement with a Class 6g metric coarse thread (M6x1mm), ensuring consistent fastening and compatibility with standard nuts.
• Compliance with stringent environmental regulations, being fully RoHS 3 and REACH compliant for safe use in regulated markets.
• Right-hand thread design for standard, intuitive installation in a wide range of machinery and equipment.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and pivot point requirements in precision industrial applications. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for automotive assemblies, food processing machinery, and outdoor equipment where environmental factors are a concern. The hex socket head allows for compact installation in tight spaces, while the precise shoulder fit acts as a dependable axle or locating pin, reducing wear on mating parts and maintaining accurate positioning in jigs, fixtures, and rotating mechanisms. Its Class 6g thread and coarse pitch facilitate quick assembly and disassembly, enhancing maintenance efficiency without sacrificing holding power.

Specification Summary & Compliance

This metric shoulder screw features an M6x1mm coarse right-hand thread with a Class 6g tolerance fit. The shoulder diameter is 10 mm with a tolerance of -0.025 to 0 mm, and the shoulder length is 12 mm with a tolerance of 0 to 0.05 mm, ensuring precise dimensional accuracy. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial components.