S-91306A427 3/8"-16 x 1 1/2" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc plating that protects against rust in demanding industrial environments
• Superior load-bearing capability from 120,000 psi tensile strength, ideal for heavy-duty applications
• Precise thread engagement with Class 3A fit ensuring reliable fastening and vibration resistance
• Enhanced durability through Rockwell C39 hardness for long-term performance under stress
• Easy installation and removal with hex drive design providing secure tool grip and torque transmission
• Full thread coverage along the 1-1/2" length for maximum holding power across the entire fastener
• Regulatory compliance assurance meeting ASME B18.3, ASTM F835, RoHS 3, and REACH standards

Professional Applications & Engineering Value

These zinc-plated alloy steel rounded head screws deliver critical performance in industrial settings where vibration resistance and corrosion protection are paramount. The UNC coarse thread spacing with Class 3A precision ensures rapid installation and secure fastening in machinery, equipment assembly, and structural applications. The button head profile provides a low-profile finish while the hex drive accommodates high torque requirements. Engineered to withstand extreme conditions, these fully threaded screws maintain integrity in high-stress environments, making them ideal for manufacturing, automotive, and heavy equipment industries where reliability cannot be compromised.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit per UNC specifications, ensuring precise dimensional accuracy. Complies with ASME B18.3 and ASTM F835 manufacturing standards, with full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 3/8"-16 thread size with coarse spacing and right-hand threading provides optimal performance in industrial fastening applications.