S-91783A161 6-32 x 2 1/2" ASME B18.6.3 Stainless Steel Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• High mechanical strength delivering 100,000 psi tensile strength and Rockwell B100 hardness for reliable, long-lasting fastening
• Precise thread engagement with Class 2A thread fit and UNC coarse threads ensuring consistent performance and easy assembly
• Optimized load distribution through the rounded head design, reducing surface damage and improving joint integrity
• Versatile partial threading allowing for controlled clamping force and secure fastening in various material thicknesses
• Broad regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for safe, global industrial use
• User-friendly installation with slotted drive design enabling straightforward manual or tool-driven application

Professional Applications & Engineering Value

These 6-32 UNC coarse thread rounded head screws are engineered to address critical fastening challenges in demanding environments. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional resistance to oxidation and chemical exposure, making them suitable for applications in marine, food processing, and outdoor equipment where moisture and contaminants are prevalent. The partially threaded design allows for precise tension control, preventing over-tightening and material stress in assemblies ranging from machinery frames to electronic enclosures. With a coarse thread profile, these screws offer quicker installation and reduced cross-threading risks, enhancing productivity in high-volume manufacturing and maintenance operations. Their compliance with ASME B18.6.3 ensures dimensional consistency, while the slotted drive accommodates standard tools, streamlining repair and replacement workflows in industrial settings.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 2A thread fit and UNC coarse thread specifications, ensuring reliable interchangeability and performance. Manufacturing and material compliance are confirmed with ASME B18.6.3 for mechanical and dimensional requirements, RoHS 3 (2015/863/EU) for restricted substance limits, and REACH (EC 1907/2006) for chemical safety, supporting use in regulated industries worldwide.