S-91273A696 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Enhanced grip and torque application thanks to the knurled hex socket head design
• Reliable, standardized fit with UNC coarse threads and Class 2A thread fit for consistent assembly
• High mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications
• Precision shoulder alignment with controlled diameter and length tolerances for accurate component positioning
• Durable, long-lasting performance backed by Rockwell B55 hardness for excellent wear resistance
• Global compliance assurance meeting RoHS 3 and REACH regulations for safe, responsible manufacturing

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw is engineered to solve critical alignment and durability challenges in industrial applications. The 18-8 stainless steel material provides excellent corrosion resistance, making it suitable for machinery, automotive assemblies, and equipment exposed to moisture or chemicals. The knurled hex socket head ensures secure tool engagement, preventing slippage during high-torque installation. The precision shoulder diameter and Class 2A thread fit guarantee accurate positioning of moving parts like gears, pulleys, and linkages, reducing wear and minimizing maintenance. With a high tensile strength of 70,000 psi, it withstands significant loads, ensuring reliable performance in demanding mechanical systems.

Specification Summary & Compliance

This shoulder screw features a 3/8"-16 UNC coarse thread with Class 2A fit for standard tolerance. The shoulder diameter is 3/8" with a tolerance of -0.004" to -0.002", and shoulder length is 3/8" with a tolerance of -0.005" to 0.005". It is manufactured from 18-8 stainless steel with a hardness of Rockwell B55, tensile strength of 70,000 psi, and minimum shear strength of 35,000 psi. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.