S-90778A155 6-32 x 3/8" 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 vibration resistance ensured by the precision Class 3A thread fit
• Secure, non-slip fastening with the 90° cone point that bites into materials for a firm hold
• High durability and material strength provided by the Rockwell B80 hardness rating
• Easy installation in confined spaces with the compact, headless design and 1/16" hex drive
• Reliable performance in industrial assemblies guaranteed by compliance with ASME B18.3 standards
• Safe for regulated industries with full RoHS 3 and REACH environmental compliance

Professional Applications & Engineering Value

This 316 Stainless Steel headless set screw is engineered to solve critical challenges in industrial fastening. Its UNC coarse threading and Class 3A fit provide excellent resistance to loosening under vibration, making it ideal for machinery, automotive components, and precision equipment. The 90° cone point concentrates force for a secure grip on shafts and collars, preventing slippage. Made from corrosion-resistant 316 stainless steel, it performs reliably in moist or chemical-exposed environments, extending service life and reducing maintenance. This hex drive set screw offers a compact solution for applications where space is limited, ensuring robust and long-lasting assemblies in demanding conditions.

Specification Summary & Compliance

This set screw features a 6-32 UNC coarse thread with a Class 3A precision fit for high-strength applications. It is manufactured to meet ASME B18.3 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for industrial use.