S-91263A507 6-32 x 5/8" ASTM F835 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc-plated alloy steel construction for long-lasting performance in demanding environments
• Superior holding power with 130,000 psi tensile strength and Rockwell C39 hardness ensuring reliable fastening under high stress
• Precise thread engagement with Class 3A thread fit and UNC coarse threads for quick installation and vibration resistance
• Optimal flush mounting featuring a standard flat head with 82° countersink angle for seamless surface integration
• Enhanced torque transmission through 5/64" hex drive design preventing cam-out and ensuring secure tightening
• Full-threaded design providing maximum grip along the entire 5/8" length for superior load distribution
• Regulatory compliance assurance meeting ASTM F835, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

These 6-32 UNC flat head screws deliver exceptional engineering value in industrial applications where vibration resistance and reliable fastening are critical. The zinc-plated alloy steel construction provides superior corrosion protection, extending service life in harsh operating conditions. With 130,000 psi tensile strength and Rockwell C39 hardness, these screws maintain integrity under heavy loads, preventing failure in machinery, equipment assembly, and structural applications. The fully threaded design ensures maximum contact surface, while the 82° countersink angle allows for flush mounting in precision applications. The hex drive configuration enables high-torque installation without stripping, making them ideal for automotive, manufacturing, and electrical enclosure applications requiring durable fastening solutions.

Specification Summary & Compliance

This 6-32 UNC flat head screw features precision Class 3A thread fit with coarse thread spacing for optimal engagement. Manufacturing complies with ASTM F835 specifications for consistent quality and performance. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restriction and REACH (EC 1907/2006) regulations for chemical safety. Dimensions include 5/8" length, 0.307" head diameter, and 5/64" hex drive size, ensuring interchangeability and reliable performance in standardized applications.