S-91255A252 10-24 x 2" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide finish, ideal for demanding industrial environments
• Superior mechanical strength with 120,000 psi tensile strength and Rockwell C39 hardness for reliable performance under high stress
• Precise thread engagement with Class 3A fit and UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized installation efficiency featuring 1/8" hex drive and rounded button head for easy access in confined spaces
• Enhanced design flexibility with partially threaded shank allowing for precise clamping force distribution
• Regulatory compliance assurance meeting ASME B18.3, ASTM F835, RoHS 3 and REACH standards for global supply chain compatibility
• Durable alloy steel construction providing long-term reliability in mechanical assemblies and equipment manufacturing

Professional Applications & Engineering Value

These 10-24 UNC partially threaded screws deliver critical engineering advantages in industrial fastening applications. The Black-Oxide Alloy Steel construction combined with Class 3A thread fit provides superior corrosion protection and precise threading for vibration-prone environments. The rounded button head design with 1/8" hex drive enables efficient installation in tight spaces while maintaining a low-profile appearance. Particularly valuable in machinery assembly, automotive components, and electronic enclosures, these coarse thread screws with 7/8" minimum thread length ensure secure fastening in materials where fine threads might strip or fail. The 120,000 psi tensile strength makes them ideal for high-stress applications requiring reliable mechanical performance and long-term durability.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread fit and UNC coarse threading ensuring consistent performance across industrial applications. These 2" length screws with 7/8" minimum thread length comply with ASME B18.3 and ASTM F835 manufacturing specifications. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest international standards for hazardous substance restrictions and chemical safety in industrial components.