S-91301A163 5-44 x 3/32" Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
• Maximum holding power from Rockwell C45 hardness, ensuring reliable, vibration-resistant fastening.
• Precise Class 3A thread fit for tight tolerances and secure engagement in critical assemblies.
• Compact headless design allows for flush mounting in space-constrained applications.
• Fine UNF thread spacing provides enhanced adjustment accuracy and load distribution.
• Easy installation with a 1/16" hex drive, enabling quick tool engagement and torque application.
• Environmental compliance with RoHS 3 and REACH standards, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This 5-44 UNF Class 3A set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Constructed from black-oxide alloy steel, it offers excellent resistance to rust and wear, making it ideal for machinery, automotive, and precision equipment where fine thread spacing and right-hand threading are critical. The headless design and 1/16" hex drive facilitate secure, low-profile fastening in tight spaces, while the Rockwell C45 hardness ensures durability under high-stress conditions. Suitable for applications requiring repeated adjustments and long-term reliability, this screw minimizes maintenance needs and enhances assembly integrity.

Specification Summary & Compliance

This set screw adheres to UNF thread standards with a Class 3A thread fit for precise dimensional accuracy. It features a thread diameter of 0.125", fine thread spacing, and a length of 3/32". Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory adherence for industrial use.