S-91794A207 8-32 x 2 1/2" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
• Enhanced mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
• Optimized head design featuring a high, narrow fillister profile for increased wrenching clearance and improved aesthetics
• Precision thread engagement with UNC coarse spacing and Class 2A fit ensuring smooth assembly and vibration resistance
• Versatile partial threading allowing unthreaded shank sections for precise component positioning and alignment
• Standard-compliant manufacturing meeting ASME B18.6.3 specifications for dimensional consistency and interchangeability
• Environmentally responsible composition with full compliance to RoHS 3 and REACH regulations for global supply chain integration

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 8-32 UNC fillister head screws solve critical fastening challenges where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel base material combined with passivated surface treatment creates a protective oxide layer that prevents galvanic corrosion in chemical processing, marine, and food equipment environments. The high rounded head profile provides superior clearance for tools and components while the slotted drive style offers compatibility with standard installation tools. With partial threading design, these screws enable precise clamping force distribution in assemblies requiring both threaded and unthreaded sections, making them ideal for precision machinery, electronic enclosures, and automotive subsystems where vibration resistance and dimensional stability are critical.

Specification Summary & Compliance

This 2 1/2" length screw features 8-32 UNC coarse threads with Class 2A thread fit tolerance for consistent engagement. Manufacturing conforms to ASME B18.6.3 dimensional standards ensuring interchangeability. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming absence of restricted substances for global industrial applications.