S-91255A151 6-32 x 3/4" ASME B18.3 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide coating on Alloy Steel, ideal for harsh industrial environments
• Superior tensile strength of 120,000 psi ensures reliable, long-lasting fastening under high-stress conditions
• Precision Class 3A thread fit guarantees tight, secure connections with minimal risk of loosening
• Convenient 5/64" hex drive design allows for easy installation and removal with standard tools
• Fully threaded coarse UNC spacing provides quick assembly and strong holding power in various materials
• Rounded button head profile offers a low-profile, aesthetically pleasing finish while reducing snagging risks
• Compliance with ASME B18.3 and ASTM F835 ensures consistent quality and interoperability in professional applications

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 6-32 UNC thread screws with Black-Oxide Alloy Steel construction deliver exceptional durability and corrosion protection. The Class 3A thread fit and coarse thread spacing enable rapid, secure fastening in machinery, electronics, and automotive assemblies, minimizing vibration-induced failures. With a rounded button head and hex drive, they provide easy access in confined spaces while maintaining a sleek profile. Ideal for applications requiring high tensile strength and compliance with rigorous standards, these screws solve common issues like thread stripping and environmental degradation, ensuring reliable performance in industrial fastening solutions.

Specification Summary & Compliance

This screw adheres to Class 3A thread fit tolerances per UNC standards, with precise dimensions including a 3/4" length and 0.138" thread diameter. Manufactured in accordance with ASME B18.3 and ASTM F835 specifications, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for environmental safety, ensuring suitability for global industrial markets.