S-94087A171 1/2"-13 x 2" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Exceptional holding power and resistance to stripping provided by the Class 2A thread fit and Rockwell B80 hardness
• Secure, high-torque installation enabled by the robust square head and external square drive design
• Reliable, non-slip fastening with the cup tip that bites into surfaces for a firm grip
• Easy and quick installation with coarse (UNC) threads and right-hand direction
• Long-term reliability and durability in demanding industrial applications
• Guaranteed quality and interchangeability through compliance with the ASME B18.6.2 standard

Professional Applications & Engineering Value

This 316 Stainless Steel Square Head Set Screw is engineered to solve critical challenges in machinery assembly, construction, and marine applications where corrosion resistance and vibration resistance are paramount. The cup tip design ensures maximum bite and prevents loosening under dynamic loads, while the coarse UNC threads and Class 2A fit provide excellent engagement and durability in softer materials or where frequent adjustments are needed. Its square head allows for high-torque application with standard tools, making it a reliable choice for securing collars, gears, and pulleys on shafts in demanding industrial environments.

Specification Summary & Compliance

This set screw adheres to a Class 2A thread fit for unified inch screws, ensuring proper clearance and ease of assembly. It is manufactured in compliance with the ASME B18.6.2 standard, guaranteeing dimensional accuracy and performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental regulations for hazardous substances.