S-94496A210 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability and Corrosion Resistance: Zinc plating provides reliable protection against rust and environmental wear, extending service life in demanding industrial settings.
• High Tensile Strength for Demanding Loads: With a tensile strength of 70,000 psi, this screw ensures secure fastening in high-stress applications, reducing the risk of joint failure.
• Precision Shoulder for Accurate Alignment: The 1/2" diameter shoulder offers a stable bearing surface, minimizing misalignment and improving assembly accuracy in machinery and fixtures.
• Easy Installation and Removal: The external hex drive allows for quick and secure tightening using standard tools, speeding up maintenance and assembly processes.
• Reliable Thread Performance: Coarse UNC threads with Class 2A fit ensure consistent engagement and resistance to loosening under vibration, ideal for heavy-duty equipment.
• Compliance with Environmental Standards: Meets RoHS 3 and REACH regulations, ensuring safe use in regulated industries and supporting corporate sustainability goals.
• Robust Shear Strength: A minimum shear strength of 35,000 psi provides added security against lateral forces, enhancing the stability of critical connections.

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw is engineered to address common challenges in precision machinery and industrial assemblies. The steel construction and zinc plating deliver superior corrosion resistance, making it suitable for environments exposed to moisture or chemicals. The 1/2" shoulder diameter acts as a precise pivot or spacer, reducing wear on moving parts and ensuring accurate alignment in applications like rotating shafts, linkages, and jigs. With a coarse thread and external hex drive, it simplifies installation in tight spaces while maintaining a strong grip under dynamic loads. Ideal for use in automotive, manufacturing, and heavy equipment, this screw enhances reliability and reduces maintenance downtime in high-strength applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent performance. Dimensions include a shoulder diameter of 1/2" (tolerance: -0.004" to 0") and shoulder length of 1 5/16" (tolerance: -0.005" to 0.005"). It is manufactured from steel with a hardness of Rockwell B80 and complies with RoHS 3 (2015/863/EU) under exemption 6(a) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met.