S-91792A741 4-48 x 1/4" ASME B18.6.3 Stainless Steel Pan Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh environments
• Precise thread engagement with Class 2A thread fit and UNF fine threads ensuring reliable fastening in critical applications
• Excellent mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for demanding industrial use
• Maximum holding power through fully threaded design that provides complete engagement along the entire fastener length
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and performance reliability
• Easy installation and removal with traditional slotted drive design compatible with standard screwdrivers
• Environmental responsibility through RoHS 3 and REACH compliance, ensuring safe use in regulated industries

Professional Applications & Engineering Value

These 4-48 UNF fine thread screws deliver exceptional engineering value in precision assemblies where vibration resistance and reliable fastening are critical. The 18-8 stainless steel composition combined with passivated finish provides superior protection against corrosion in demanding environments including marine applications, chemical processing equipment, and outdoor installations. The rounded pan head design with slotted drive offers both aesthetic appeal and practical installation benefits, while the fine thread configuration ensures superior holding power in thin materials and delicate components. These industrial-grade fasteners are engineered to maintain integrity under stress with their 100,000 psi tensile strength, making them ideal for precision instruments, electronic enclosures, and mechanical assemblies where failure is not an option.

Specification Summary & Compliance

This 1/4" length screw features precise Class 2A thread fit with 4-48 UNF fine threading and full threading along the entire shank. Manufactured to exacting ASME B18.6.3 standards for dimensional accuracy and performance reliability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The combination of Rockwell B100 hardness and 100,000 psi tensile strength guarantees mechanical performance that meets the most demanding application requirements.