S-91410A752 1/4"-20 x 6" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Maximum holding power with Rockwell B80 hardness steel construction for superior resistance to wear and deformation in demanding applications
• Secure installation and removal using standard tools thanks to the external square drive and square head design
• Reliable coarse UNC threading ensures quick assembly and strong engagement, reducing the risk of cross-threading
• Precise Class 2A thread fit guarantees consistent performance and ease of use in high-volume production environments
• Deep penetration and excellent resistance to loosening provided by the cup point tip, ideal for permanent or semi-permanent fastening
• Full compliance with ASME B18.6.2 ensures dimensional accuracy and interchangeability for engineering and maintenance projects
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory standards for industrial components

Professional Applications & Engineering Value

This 1/4"-20 UNC square head set screw is engineered to solve critical fastening challenges in industrial machinery, automotive assemblies, and heavy equipment. The durable steel material with Rockwell B80 hardness provides exceptional strength, resisting vibration and shock loads that can cause standard fasteners to fail. The coarse thread and Class 2A fit enable rapid installation while maintaining tight tolerances, reducing assembly time and improving production efficiency. The cup point design bites into the mating surface, creating a secure lock that prevents components from shifting under dynamic loads. With full compliance to ASME B18.6.2, this 6-inch set screw delivers reliable performance in applications requiring long-length fasteners for shaft collars, gears, and pulleys, ensuring operational safety and reducing maintenance downtime.

Specification Summary & Compliance

This set screw features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and easy assembly. It is manufactured in accordance with ASME B18.6.2 specifications, ensuring consistent quality and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations for industrial use.