S-92158A432 1/4"-20 x 1/2" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Exceptional vibration resistance and secure locking provided by the Class 3A thread fit
• High mechanical strength and durability with a Rockwell B80 hardness rating
• Reliable installation and removal with the hex drive style and 1/8" drive size
• Optimized for high-load applications using the robust 1/4"-20 UNC coarse thread
• Safe for regulated industries with full compliance to RoHS 3 and REACH standards
• Guaranteed dimensional accuracy and interchangeability per ASME B18.3 specifications

Professional Applications & Engineering Value

This 316 stainless steel set screw is engineered to solve critical challenges in industrial assembly, where vibration resistance and corrosion prevention are paramount. The UNC coarse threading with a precise Class 3A fit ensures minimal loosening under dynamic loads, making it ideal for machinery, automotive components, and marine equipment. The headless design with a hex drive allows for flush mounting in tight spaces, while the Rockwell B80 hardness provides the necessary toughness for repeated adjustments. Its compliance with ASME B18.3 guarantees reliable performance in high-stress applications, reducing maintenance costs and downtime.

Specification Summary & Compliance

This set screw adheres to Class 3A thread fit for high precision and UNC coarse thread standards (1/4"-20). It meets ASME B18.3 manufacturing specifications, ensuring dimensional accuracy and consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in environmentally sensitive and industrial applications.