S-91255A237 10-24 x 1 1/8" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating that protects against rust in demanding industrial environments
• Exceptional mechanical strength with 120,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications
• Precise thread engagement with Class 3A fit ensuring reliable fastening and vibration resistance
• Easy installation and removal with hex drive design providing superior torque transmission
• Versatile coarse threading with UNC 10-24 specification offering quick assembly in various materials
• Low-profile rounded head design that minimizes protrusion while maintaining structural integrity
• Full regulatory compliance meeting ASME B18.3, ASTM F835, RoHS 3, and REACH standards

Professional Applications & Engineering Value

These 10-24 UNC coarse thread screws with black-oxide alloy steel construction deliver exceptional performance in critical industrial applications. The rounded head design combined with hex drive configuration provides optimal torque application while maintaining a low profile for space-constrained assemblies. The Class 3A thread fit ensures precise engagement, reducing the risk of cross-threading and providing reliable fastening in high-vibration environments. Engineered for machinery, equipment manufacturing, and structural applications, these fully threaded screws offer consistent clamping force across the entire 1-1/8" length. The coarse threading facilitates quick installation in various materials while the 120,000 psi tensile strength guarantees long-term reliability under substantial mechanical stress.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit precision and UNC coarse thread specifications. These screws conform to ASME B18.3 dimensional requirements and ASTM F835 material specifications. Fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations regarding substance restrictions. The black-oxide surface treatment provides corrosion protection while maintaining dimensional accuracy throughout the 1-1/8" length and 10-24 thread size.