S-91783A199 8-32 x 1" 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 for extended service life in harsh environments
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable performance under heavy loads
• Precision thread engagement through Class 2A thread fit and UNC coarse threading ensures secure fastening and vibration resistance
• Full-length threading provides maximum grip and load distribution across the entire fastener length
• Standard slotted drive compatibility with rounded head design allows for easy installation with common tools
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
• Optimized head dimensions (0.309" diameter, 0.12" height) provide adequate bearing surface while maintaining compact profile

Professional Applications & Engineering Value

This 8-32 UNC rounded head slotted screw delivers critical engineering solutions where corrosion resistance and mechanical reliability are paramount. The combination of 18-8 stainless steel with passivated surface treatment creates a protective oxide layer that significantly enhances resistance to chemical attack and oxidation in demanding industrial environments. The coarse UNC threading with Class 2A tolerance ensures rapid assembly and secure fastening in applications subject to vibration, while the fully threaded design maximizes load distribution. These characteristics make it ideal for heavy-duty industrial equipment, marine applications, food processing machinery, and outdoor installations where environmental factors and mechanical stress would compromise inferior fasteners.

Specification Summary & Compliance

This precision fastener maintains Class 2A thread fit per UNC standards with coarse thread spacing for optimal engagement. Manufacturing conforms to ASME B18.6.3 specifications ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to strict substance restriction guidelines for industrial applications worldwide.