S-92845A129 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 thread engagement and holding power with precision-machined UNC Class 3A coarse threads
• Reliable, non-slip fastening enabled by the hex headless design and 1/8" hex drive
• Enhanced grip and component security from the extended tip design for deeper penetration
• Consistent mechanical strength and durability ensured by Rockwell B80 hardness rating
• Guaranteed dimensional accuracy and interchangeability through compliance with ASME B18.3 specifications
• Safe for use in regulated industries with full compliance to RoHS 3 and REACH environmental standards

Professional Applications & Engineering Value

This 316 Stainless Steel Set Screw is engineered to address critical challenges in industrial assembly and maintenance. Its corrosion-resistant properties make it ideal for applications in marine, chemical processing, and food-grade equipment where exposure to moisture and aggressive substances is common. The 1/4"-20 UNC Class 3A coarse thread provides rapid installation and high resistance to vibration loosening, while the extended tip ensures a secure bite into shafts and collars, preventing slippage in high-torque scenarios. The hex headless and right-hand thread design allows for flush mounting in confined spaces, offering a reliable solution for permanent or semi-permanent fastening in machinery, automotive components, and precision instruments.

Specification Summary & Compliance

This set screw adheres to Class 3A thread fit for superior dimensional accuracy and is manufactured in accordance with ASME B18.3 specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and safe for various industrial and commercial applications.