S-90275A244 10-24 x 5/8" ASME B18.6.3 Steel Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• High tensile strength of 60,000 psi ensures reliable fastening under substantial mechanical loads
• Rockwell B70 hardness provides excellent wear resistance and maintains thread integrity during repeated use
• Class 2A thread fit with UNC coarse threading enables quick installation and secure holding in various materials
• 82° countersink angle with standard flat head profile creates flush surface finishes for streamlined assemblies
• Full threading along the 5/8" length maximizes engagement depth and distributes stress evenly
• Compliance with major industry standards including ASME B18.6.3 ensures consistent quality and interoperability

Professional Applications & Engineering Value

Engineered for precision industrial applications, these 10-24 UNC flat head screws solve critical fastening challenges where surface flushness and high strength are paramount. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and automotive components exposed to harsh conditions. With coarse UNC threading and Class 2A thread fit, these screws offer superior resistance to vibration loosening while maintaining easy installation in metals, plastics, and composite materials. The 82° countersink angle ensures seamless integration into precision-machined surfaces, eliminating protrusions that could interfere with moving parts or aesthetic requirements. These fully threaded flat head machine screws deliver reliable performance in assembly lines, maintenance operations, and OEM equipment manufacturing where consistent fastening quality is non-negotiable.

Specification Summary & Compliance

This 5/8" flat head screw features precise Class 2A thread fit tolerances and UNC coarse threading manufactured to ASME B18.6.3 specifications. The product maintains compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. Manufacturing consistency is verified through the specified 0.362" head diameter, standard flat head profile, and right-hand thread direction for universal compatibility with industry-standard installation tools and procedures.