S-90270A652 M3 Shoulder Screws

Key Features & Benefits at a Glance

• High corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Precise alignment and reduced wear due to the 4mm shoulder diameter with tight tolerance (-0.025 to 0mm) for accurate component positioning.
• Reliable thread engagement with Class 6g fit and M3x0.5 coarse pitch, ensuring secure fastening in various materials.
• Enhanced durability and strength from 70,000 psi tensile strength and Rockwell B55 hardness, supporting heavy-duty applications.
• Easy installation and removal with socket head design, allowing for efficient assembly with standard tools.
• Consistent performance with a 5mm shoulder length and precise tolerances, minimizing assembly errors and improving product life.
• Compliance with environmental standards, including RoHS 3 and REACH, for safe and sustainable use in global markets.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address common industrial challenges, such as misalignment and vibration-induced loosening. Made from 18-8 stainless steel, it offers excellent corrosion resistance, making it suitable for machinery, automotive, and electronics where exposure to moisture or chemicals is a concern. The precise shoulder diameter and length ensure accurate part location, reducing wear and extending equipment lifespan. With a coarse thread pitch and Class 6g thread fit, it provides quick assembly and reliable holding power in industrial applications, while the socket head allows for compact designs and easy access in tight spaces. This fastener delivers consistent performance, supporting efficient production and maintenance workflows.

Specification Summary & Compliance

This shoulder screw features a metric thread size M3 with a 0.5mm coarse pitch and Class 6g thread fit for standard compatibility. The shoulder diameter is 4mm with a tolerance of -0.025 to 0mm, and the shoulder length is 5mm with a tolerance of 0 to 0.05mm, ensuring precise assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and suitable for various industrial and commercial uses.