S-94328A992 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C30 hardness, ensuring reliable performance under high-stress industrial conditions.
• Superior corrosion resistance thanks to the black oxide finish, extending service life in harsh environments and reducing maintenance needs.
• Precise thread engagement with Class 3A thread fit for tighter tolerances, minimizing the risk of loosening and improving assembly reliability.
• Secure and easy installation featuring a low-profile socket head with 1/4" hex drive and knurled texture for enhanced grip and torque application.
• Accurate alignment and spacing provided by the 1/2" shoulder diameter and 3/4" shoulder length, ideal for pivot points and rotational applications.
• Wide compatibility with UNC coarse threads and right-hand threading, ensuring easy integration into standard industrial equipment.
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw is engineered to address critical challenges in industrial machinery, automation, and precision equipment. The alloy steel construction, combined with a black oxide finish, provides excellent resistance to wear and corrosion, reducing downtime in demanding environments. The Class 3A thread fit ensures secure fastening, preventing vibration-induced failures in applications like rotating shafts, linkages, and bearing mounts. Its low-profile socket head with knurling allows for efficient installation in confined spaces, while the precise shoulder diameter and length maintain accurate component alignment, enhancing overall system longevity and performance. Ideal for use in automotive, aerospace, and manufacturing sectors, this screw delivers consistent reliability where precision and strength are paramount.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a shoulder diameter of 1/2" (tolerance: -0.004" to -0.002") and shoulder length of 3/4" (tolerance: -0.005" to 0.005"), ensuring exacting assembly requirements. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting environmental safety and regulatory adherence in global markets.