S-90337A511 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• Precise component alignment due to the 1/2" shoulder diameter with tight tolerance (-0.001" to 0") and 3/4" shoulder length.
• High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications.
• Easy installation and low-profile design featuring a smooth, low socket head with 1/4" hex drive for secure, flush mounting.
• Reliable thread engagement with Class 2A fit and coarse UNC threading for quick assembly and vibration resistance.
• Compliance with environmental standards, being RoHS 3 and REACH compliant for safe, sustainable use.
• Durable and long-lasting material properties ensure reduced maintenance and replacement costs over time.

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The precise shoulder diameter and length provide exact positioning for components in machinery, reducing wear and misalignment. The low-profile socket head with a hex drive allows for easy access in confined spaces, while the passivated finish enhances corrosion resistance, making it suitable for applications in automotive, aerospace, and heavy equipment. With a coarse UNC thread and high tensile strength, it ensures secure fastening under dynamic loads, minimizing downtime and improving operational efficiency in precision alignment and assembly tasks.

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 shoulder length tolerance of 0" to 0.002" for high precision. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.