S-91783A190 8-32 x 1/4" 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 delivering 100,000 psi tensile strength and Rockwell B100 hardness for reliable performance under load
• Precision thread engagement with UNC coarse threads and Class 2A fit ensuring smooth installation and secure fastening
• Optimized drive compatibility featuring a standard slotted drive for broad tool accessibility and straightforward manual operation
• Full threading coverage along the 1/4" length provides maximum grip and uniform stress distribution
• Comprehensive compliance meeting ASME B18.6.3 manufacturing standards and environmental regulations including RoHS 3 and REACH
• Right-hand thread design with standardized rounded head profile for consistent installation and professional appearance

Professional Applications & Engineering Value

This 8-32 UNC rounded head slotted screw delivers exceptional engineering value in demanding industrial environments where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel composition, enhanced by passivated finish, provides superior protection against oxidation and chemical exposure, making it ideal for marine equipment, food processing machinery, and outdoor applications. The coarse UNC thread pattern with Class 2A fit ensures rapid installation and vibration resistance, while the fully threaded design maximizes engagement in various material thicknesses. These industrial screws solve critical fastening challenges by combining high tensile strength with environmental compliance, reducing maintenance frequency and replacement costs in corrosive or high-stress applications.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading (8-32 size) ensuring consistent performance. The screw features a 1/4" length with full threading and right-hand thread direction. Compliance includes ASME B18.6.3 manufacturing specifications, RoHS 3 (2015/863/EU) compliance for hazardous substance restriction, and REACH (EC 1907/2006) compliance for chemical safety regulations.