S-91255A027 10-32 x 9/16" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 120,000 psi ensures reliable performance under high-stress conditions
• Class 3A fine thread fit provides superior precision and vibration resistance in demanding applications
• Black-oxide coating on alloy steel offers enhanced corrosion protection and durability
• Fully threaded design delivers maximum grip and load distribution across the entire fastener length
• 1/8" hex drive with rounded button head enables easy installation and provides a clean, finished appearance
• Rockwell C39 hardness rating maintains structural integrity through repeated use cycles
• Comprehensive compliance with ASME, ASTM, RoHS and REACH ensures regulatory acceptance

Professional Applications & Engineering Value

Engineered for precision industrial applications, these 10-32 UNF screws with Class 3A fine threading deliver exceptional performance in machinery, electronics, and automotive assemblies. The black-oxide alloy steel construction provides superior corrosion resistance while maintaining the 120,000 psi tensile strength required for high-vibration environments. The rounded button head design with 1/8" hex drive facilitates quick installation in confined spaces while preventing snagging. These fully threaded fasteners ensure maximum engagement strength across the entire 9/16" length, making them ideal for applications requiring precise clamping force and reliability in demanding industrial settings.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit precision and UNF fine threading (10-32). Complies with ASME B18.3 and ASTM F835 specifications for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features right-hand threading with complete fine thread spacing for optimal fastening performance in industrial applications.