S-95446A663 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Superior wear resistance and corrosion protection with durable 360 Brass construction, ideal for harsh industrial environments.
• Accurate and secure shaft alignment ensured by the precisely machined shoulder with a tight diameter tolerance of -0.002" to 0".
• High mechanical strength and reliability with a tensile strength of 40,000 psi and Rockwell B55 hardness for demanding applications.
• Easy installation and removal using the standard 1/4" hex socket drive, reducing assembly time and tool wear.
• Consistent thread engagement and vibration resistance provided by the 3/8"-16 UNC coarse threads with Class 2A fit.
• Extended service life and reduced maintenance thanks to the robust design and high minimum shear strength of 22,000 psi.
• Compliance with environmental and safety standards, meeting RoHS 3 and REACH regulations for global industrial use.

Professional Applications & Engineering Value

This precision shoulder screw is engineered from 360 Brass to address common challenges in machinery and assembly, such as misalignment and component wear. The 1 1/2" shoulder length and precise shoulder fit provide a stable bearing surface, minimizing deflection in rotating parts like gears and pulleys. With UNC coarse threads and a Class 2A thread fit, it ensures quick, secure fastening in high-vibration environments, from automotive systems to conveyor equipment. The hex socket drive allows for compact installation in tight spaces, enhancing efficiency. Its RoHS compliant and REACH compliant construction makes it suitable for regulated industries, offering durability without compromising on environmental standards.

Specification Summary & Compliance

This shoulder screw features a 3/8"-16 UNC thread with Class 2A tolerance for precise fit, a shoulder diameter tolerance of -0.002" to 0", and a shoulder length tolerance of 0" to 0.003". Manufactured to high standards, it complies with RoHS 3 (2015/863/EU) under exemption 6(c) and REACH (EC 1907/2006), ensuring adherence to global environmental and safety regulations for industrial components.