S-91375A743 1-72 x 3/32" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with Class 3A thread fit for precise, vibration-resistant fastening in demanding applications.
• Enhanced corrosion resistance from the Black-Oxide finish, extending service life in harsh industrial environments.
• High-strength performance due to Alloy Steel construction and Rockwell C45 hardness, ensuring reliable load-bearing capacity.
• Secure and flush installation with the headless design and cup tip, preventing component interference and providing positive seating.
• Efficient installation and removal using the 0.035" hex drive, allowing high torque application with standard tools.
• Fine thread spacing for improved adjustment precision and better resistance to loosening under dynamic loads.
• Compliance with major standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This 1-72 UNF set screw is engineered to address critical challenges in precision assembly and machinery. The Black-Oxide Alloy Steel construction, combined with Rockwell C45 hardness, provides exceptional durability and resistance to wear, making it ideal for applications requiring repeated adjustments or exposure to stress. The fine thread spacing and Class 3A thread fit ensure minimal backlash and superior clamping force, preventing slippage in high-vibration environments like motors, aerospace components, and automotive systems. The headless design and cup tip allow for seamless integration into tight spaces, offering a secure, flush fit that protects adjacent parts. Its hex drive facilitates easy installation with standard tools, reducing assembly time while maintaining ASME B18.3 compliance for reliable performance in industrial settings.

Specification Summary & Compliance

This set screw adheres to Class 3A thread tolerances for high precision, with UNF fine threads (1-72 size) and a right-hand thread direction. It meets ASME B18.3 specifications for dimensional accuracy and performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it is free of hazardous substances and suitable for global industrial use.