S-91783A165 1-64 x 3/16" 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, ensuring longevity in harsh environments
• Exceptional mechanical strength offering 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
• Precision thread engagement with Class 2A UNC coarse threads providing secure, vibration-resistant fastening in various materials
• Optimized installation efficiency through slotted drive design and fully threaded shank for straightforward assembly
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and interchangeability
• Environmental regulatory adherence with RoHS 3 and REACH compliance for safe use in regulated industries
• Versatile right-hand threading compatible with standard UNC nuts and tapped holes for broad application compatibility

Professional Applications & Engineering Value

Engineered for precision fastening in demanding industrial environments, these 1-64 UNC coarse thread screws address critical challenges in assembly reliability and corrosion management. The 18-8 stainless steel composition combined with passivated finish creates a robust barrier against chemical exposure and atmospheric corrosion, significantly extending service life in manufacturing equipment, electronic enclosures, and marine components. The rounded head profile and slotted drive facilitate smooth installation while minimizing surface damage, making them ideal for applications requiring frequent maintenance access. With fully threaded construction ensuring maximum grip length and Class 2A thread fit maintaining consistent engagement, these screws deliver vibration-resistant performance in dynamic load conditions where fastener integrity is paramount.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 dimensional standards with Class 2A thread fit tolerances for precise interchangeability. The UNC coarse thread profile (1-64) ensures rapid assembly in various materials while maintaining 100,000 psi tensile strength and Rockwell B100 hardness. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and material traceability. All dimensions conform to inch system measurements with standardized right-hand threading and fully threaded shank configuration.