S-94035A116 2-56 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction and passivated finish, ideal for harsh environments.
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance.
• Precise shoulder fit with controlled diameter and length tolerances ensures accurate alignment in assemblies.
• Easy installation and removal using a standard 5/64" hex drive, reducing assembly time and tool wear.
• Wide compatibility with UNC coarse threads and Class 2A fit for secure fastening in various industrial applications.
• Environmental compliance meeting RoHS 3 and REACH standards, ensuring safe and sustainable usage.
• Durable smooth head design minimizes friction and wear during operation, extending service life.

Professional Applications & Engineering Value

This 2-56 UNC thread shoulder screw is engineered from 18-8 Stainless Steel with a passivated finish to combat corrosion in demanding settings like machinery, automotive, and electronics. The precise shoulder fit (3/32" diameter, 7/32" length) provides stable alignment for rotating parts, reducing vibration and misalignment issues. With a coarse thread spacing and Class 2A thread fit, it ensures quick assembly and secure holding in high-stress applications. The socket head with hex drive allows for tight spaces and efficient torque application, making it a reliable choice for industrial shoulder screws where durability and precision are critical.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent performance. Dimensions include a head diameter of 3/16", shoulder diameter of 3/32" (tolerance: -0.001" to 0"), and shoulder length of 7/32" (tolerance: 0" to 0.002") for precise engineering. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality in manufacturing.