S-91440A626 8-32 x 5/8" ASME B18.6.3 Steel Round Head Combination Phillips/Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Reliable thread engagement with Class 2A thread fit ensuring consistent fastening performance and vibration resistance
• Enhanced durability with Rockwell B70 hardness providing excellent resistance to wear and deformation
• Versatile installation options through combined Phillips/Slotted drive (No. 2 size) accommodating various tool types
• Maximum grip strength with fully threaded 8-32 UNC coarse thread design for superior holding power
• Optimized head design featuring rounded profile for reduced snagging and improved aesthetic integration
• Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial applications

Professional Applications & Engineering Value

These 8-32 UNC zinc-plated steel rounded head screws deliver exceptional engineering value across industrial applications where corrosion resistance and mechanical reliability are paramount. The zinc-plated steel construction provides critical protection against environmental factors, while the Rockwell B70 hardness ensures the fastener maintains structural integrity under repeated stress. The combination of Phillips/Slotted drive offers installation flexibility for both production line and field maintenance scenarios. With fully threaded coarse pitch design, these screws achieve rapid assembly and superior clamping force in materials ranging from metal assemblies to durable plastics, making them ideal for machinery, electrical enclosures, and automotive components where vibration resistance and long-term performance are essential.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread specifications ensuring consistent performance. These 5/8" length screws with 8-32 thread size maintain strict compliance with ASME B18.6.3 manufacturing standards. Environmental and safety regulations are fully addressed through RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, confirming suitability for global industrial markets and restricted substance requirements.