S-91263A785 7/16"-14 x 1 1/2" ASTM F835 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated alloy steel construction, ensuring long-lasting performance in harsh industrial environments
• Exceptional tensile strength of 130,000 psi provides reliable fastening for heavy-duty applications without failure
• Precise Class 3A thread fit delivers secure, vibration-resistant connections with minimal risk of loosening
• Fully threaded design allows for maximum grip and uniform load distribution across the entire length
• 82° countersink angle enables flush mounting for a clean, professional finish in countersunk holes
• 1/4" hex drive compatibility ensures easy installation with standard industrial tools, reducing assembly time
• Rockwell C39 hardness offers excellent wear resistance and durability under repetitive stress

Professional Applications & Engineering Value

This 7/16"-14 UNC flat head screw is engineered to address critical fastening challenges in demanding industrial settings. The zinc-plated alloy steel material provides robust protection against corrosion, extending service life in environments exposed to moisture or chemicals. With a coarse thread and Class 3A fit, it ensures quick assembly and reliable holding power in structural applications, machinery, and heavy equipment. The flat head profile with an 82° countersink angle allows for seamless integration into surfaces, preventing protrusions that could interfere with operation. Ideal for industrial screws used in construction, automotive, and manufacturing sectors, this fastener combines high tensile strength with compliance to rigorous standards, delivering consistent performance where safety and precision are paramount.

Specification Summary & Compliance

This product features precise UNC coarse threads with Class 3A fit for accurate engagement and meets ASTM F835 specifications for mechanical properties. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence. Dimensions include a thread size of 7/16"-14, length of 1-1/2", and drive size of 1/4" hex, supporting reliable performance in standardized applications.