S-91794A197 8-32 x 3/4" 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, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
• Precision thread engagement through Class 2A fit UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized head design featuring high, narrow fillister profile with slotted drive for enhanced torque application and flush mounting
• Full threading coverage along the 3/4" length provides maximum grip strength and uniform stress distribution
• Regulatory compliance assurance meeting ASME B18.6.3 manufacturing standards and environmental regulations (RoHS 3, REACH)
• Right-hand thread orientation with coarse spacing for quick installation and reduced cross-threading risks

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 8-32 UNC machine screws deliver critical performance where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel composition combined with passivated surface treatment creates a protective oxide layer that withstands chemical exposure and atmospheric corrosion, making them ideal for marine, food processing, and chemical equipment. The rounded fillister head design with slotted drive provides superior countersinking capability while maintaining high torque transmission. With fully threaded construction and Class 2A thread fit, these fasteners ensure consistent clamping force distribution across electronic enclosures, machinery assemblies, and precision instruments, reducing the risk of joint failure under dynamic loads.

Specification Summary & Compliance

This 3/4" length machine screw features precision UNC coarse threads with Class 2A tolerance for reliable fitment. Manufacturing conforms to ASME B18.6.3 specifications ensuring dimensional accuracy and performance consistency. The product maintains compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety. Critical dimensions include 0.27" head diameter, 0.156" head height, and 0.164" thread diameter, providing standardized interchangeability across industrial applications.