S-90778A351 10-32 x 3/16" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life
• Exceptional holding power and vibration resistance provided by the Class 3A thread fit and 118° cone point for secure, permanent fastening
• High-strength durability with a Rockwell B80 hardness, ensuring the screw withstands high torque and mechanical stress
• Easy and secure installation using a standard 3/32" hex key, allowing for precise torque application in confined spaces
• Reliable fine thread engagement with the 10-32 UNF thread, offering improved adjustment accuracy and load distribution
• Compliance with major industry standards including ASME B18.3, ensuring consistent quality, interchangeability, and performance
• Environmentally safe manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances

Professional Applications & Engineering Value

This 10-32 UNF Class 3A set screw is engineered to address critical challenges in precision assembly and machinery. Made from 316 Stainless Steel, it offers excellent resistance to corrosion, chemicals, and high temperatures, making it suitable for demanding sectors like marine, chemical processing, and food equipment. The fine UNF thread and Class 3A fit provide tight tolerances and minimal backlash, essential for applications requiring precise component alignment and vibration resistance. The headless hex drive and cone point design allow for flush mounting and concentrated clamping force, securing parts like gears, pulleys, and collars without protruding hardware. By meeting ASME B18.3 specifications, this screw ensures reliability in OEM and MRO settings, reducing maintenance needs and improving operational safety.

Specification Summary & Compliance

This set screw features a 10-32 UNF fine thread with a Class 3A thread fit for high precision and strength. It has a thread diameter of 0.19", length of 3/16", and cone point angle of 118°. The screw is manufactured in compliance with ASME B18.3 standards and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring it meets environmental and safety regulations for industrial use.