S-92991A922 3/8"-16 x 3/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance due to durable brass construction, ideal for humid or chemical environments.
• Exceptional thread engagement and holding power provided by Class 3A fit and coarse UNC threads for reliable fastening.
• High torque application capability with a 3/16" hex drive, allowing for secure installation and removal.
• Enhanced material strength and durability from Rockwell B55 hardness, reducing wear and deformation.
• Secure, non-slip fastening with a cup tip design that digs into surfaces to prevent component movement.
• Wide industrial compatibility meeting ASME B18.3 standards for consistent performance in machinery and equipment.
• Safe for regulated industries with compliance to RoHS 3 and REACH, ensuring environmental and health safety.

Professional Applications & Engineering Value

This brass set screw is engineered to address common industrial challenges such as corrosion and loosening under vibration. The 3/8"-16 UNC coarse thread and Class 3A fit ensure tight, reliable connections in components like shafts, pulleys, and gears, minimizing maintenance needs. Its headless design and hex drive allow for flush mounting and easy access in confined spaces, while the cup tip provides strong grip on surfaces. Made from brass with Rockwell B55 hardness, it offers excellent durability and resistance to galling, making it ideal for automotive, marine, and electrical applications where precision and longevity are critical.

Specification Summary & Compliance

This set screw features precise 3/8"-16 UNC coarse threads with a Class 3A thread fit for high accuracy, a length of 3/4", and a 3/16" hex drive. It is manufactured in compliance with ASME B18.3 standards and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality consistency for industrial use.