S-91255A614 3/8"-16 x 1 1/8" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Enhanced Corrosion Resistance with black-oxide coating, ideal for harsh industrial environments
• Superior Tensile Strength of 120,000 psi ensures reliable performance under high-stress conditions
• Precise Class 3A Thread Fit provides secure fastening with minimal vibration loosening
• Hex Drive Design (7/32") allows for high-torque installation with standard tools
• Full UNC Coarse Threading enables faster assembly and better material engagement
• Rounded Button Head Profile offers a low-profile finish while reducing surface damage risks
• Industry Compliance meets ASME B18.3 and ASTM F835 specifications for guaranteed quality

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these black-oxide alloy steel screws combine high tensile strength with exceptional corrosion protection. The 3/8"-16 UNC coarse threading and Class 3A fit ensure vibration-resistant connections in machinery, automotive assemblies, and structural frameworks. The rounded button head design minimizes protrusion while the hex drive accommodates high torque requirements. Perfect for maintenance operations and OEM manufacturing where reliable fastening and regulatory compliance are critical.

Specification Summary & Compliance

Manufactured to ASME B18.3 and ASTM F835 standards with Class 3A thread fit for precision tolerance. Features UNC coarse threads with right-hand direction and full threading along the 1 1/8" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.