S-94361A313 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C32 hardness, ideal for high-stress industrial environments.
• Precise thread engagement and reliability thanks to Class 3A fit and 10-32 UNF fine threads, reducing the risk of cross-threading and ensuring secure fastening.
• Corrosion-resistant black oxide finish enhances longevity and provides a professional appearance in various operating conditions.
• Easy installation and removal with a knurled socket head and 1/8" hex drive, offering superior grip and torque application.
• Accurate shoulder positioning with a 1/4" diameter and 9/16" length, maintaining consistent alignment for pivots, spacers, and guides.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.
• Right-hand thread direction for standard assembly processes, facilitating quick and efficient installation.

Professional Applications & Engineering Value

This 10-32 UNF shoulder screw is engineered to address critical challenges in machinery assembly, automation systems, and precision instruments. The alloy steel construction, combined with a black oxide finish, provides excellent resistance to wear and corrosion, extending service life in demanding environments like manufacturing and robotics. The Class 3A thread fit and fine UNF threads ensure minimal backlash and reliable performance in applications requiring exact alignment, such as pivoting mechanisms and bearing mounts. The knurled socket head with a 1/8" hex drive allows for efficient torque transfer, reducing installation time and preventing tool slippage. Ideal for use in industrial shoulder screws applications, it supports smooth operation and reduces maintenance needs, delivering consistent value in high-precision engineering projects.

Specification Summary & Compliance

This shoulder screw adheres to Class 3A thread tolerances for precise fit and includes a shoulder diameter of 1/4" (tolerance: -0.004" to -0.002") and shoulder length of 9/16" (tolerance: -0.005" to 0.005"). It meets RoHS 3 (2015/863/EU) compliance with exemption 6(a) and is REACH (EC 1907/2006) compliant, ensuring environmental safety and regulatory adherence for industrial use.