S-90357A153 7/16"-14 x 1/2" Alloy Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure
• Precision Class 3A thread fit guarantees tight, secure connections with minimal play, enhancing assembly accuracy and vibration resistance
• Black-oxide surface treatment on alloy steel provides superior corrosion resistance, extending service life in demanding industrial environments
• Ultra-low socket head profile allows installation in confined spaces while maintaining full 1/4" hex drive engagement for efficient torque application
• Strict length tolerance of ±0.005" ensures consistent positioning and uniform clamping force across multiple fastening points
• Rockwell C32 hardness rating delivers optimal balance of strength and ductility, preventing thread stripping and head deformation during installation
• Full threading along the entire 1/2" length provides maximum grip and adjustment flexibility in various material thicknesses

Professional Applications & Engineering Value

These 7/16"-14 UNC socket head cap screws with Class 3A thread fit are engineered to solve critical fastening challenges in precision machinery, automotive assemblies, and heavy equipment manufacturing. The black-oxide alloy steel construction combined with coarse threading ensures rapid installation and superior resistance to loosening under dynamic loads. The ultra-low profile head design addresses space constraints in compact assemblies while maintaining full 1/4" hex drive functionality for proper torque transmission. With 140,000 psi tensile strength and controlled length tolerance, these screws provide reliable performance in applications requiring repeated disassembly and reassembly, minimizing maintenance downtime and ensuring long-term joint integrity.

Specification Summary & Compliance

Manufactured to precise inch system dimensions with Class 3A thread fit per UNC standards, featuring 7/16"-14 coarse threads and right-hand thread direction. Length tolerance maintained at -0.005" to +0.005" for consistent performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.