S-91273A626 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
• High tensile and shear strength (70,000 psi tensile, 35,000 psi shear) ensures reliable performance under heavy loads.
• Precision Class 2A thread fit with 3/8"-16 UNC coarse thread for easy assembly and secure fastening.
• Knurled head with hex drive provides excellent grip and torque application, reducing tool slippage.
• Durable Rockwell B55 hardness maintains structural integrity and resists wear over repeated use.
• Compliant with RoHS 3 and REACH standards, meeting global environmental and safety regulations.
• Accurate shoulder dimensions with tight tolerances ensure consistent alignment in machinery assemblies.

Professional Applications & Engineering Value

This black oxide 18-8 stainless steel shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical stress. The 3/8"-16 UNC coarse thread and Class 2A fit enable quick, secure installations in equipment like conveyor systems, robotic arms, and precision machinery. The hex drive and knurled head enhance torque transmission, minimizing assembly time and tool wear. With a tensile strength of 70,000 psi and corrosion-resistant properties, it reduces maintenance needs and extends service life in demanding applications, from automotive manufacturing to industrial automation.

Specification Summary & Compliance

This shoulder screw features a 3/8"-16 UNC thread with Class 2A tolerance, ensuring precise fit and interchangeability. The shoulder diameter and length adhere to standard tolerances (e.g., diameter: -0.004" to -0.002"). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial use without hazardous substances.