S-90337A416 6-32 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.
• Precise alignment and smooth rotation enabled by a precisely machined 1-1/2" shoulder with minimal tolerance for reliable performance in assemblies.
• High-strength durability with a tensile strength of 70,000 psi and Rockwell B55 hardness, ensuring the screw withstands significant mechanical stress.
• Easy installation in confined spaces thanks to the low-profile socket head and 3/32" hex drive, requiring minimal clearance.
• Reliable and quick assembly with a coarse 6-32 UNC thread and Class 2A fit, providing consistent engagement and reducing cross-threading risks.
• Compliance with global environmental standards, being RoHS 3 and REACH compliant, ensuring safe use in regulated industries.
• Versatile right-hand thread design for standard applications, facilitating straightforward integration into existing systems.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address common industrial challenges such as misalignment and wear in machinery. The 18-8 Stainless Steel material offers excellent corrosion resistance, making it suitable for applications in moist or chemically aggressive environments, from automotive assemblies to electronic enclosures. Its low-profile socket head and hex drive allow for efficient torque application in tight spaces, reducing installation time and tool interference. The 1-1/2" shoulder length with precise tolerances ensures accurate positioning of components like gears and pulleys, minimizing vibration and extending equipment lifespan. By combining a coarse 6-32 UNC thread with high tensile strength, this fastener delivers reliable performance in dynamic loads, supporting B2B procurement for maintenance and OEM projects.

Specification Summary & Compliance

This shoulder screw adheres to Class 2A thread fit for consistent engagement and features a shoulder diameter tolerance of -0.001" to 0" and length tolerance of 0" to 0.002" for high precision. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and compliance in industrial applications.