S-91223A341 5/16"-18 x 2" 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Exceptional mechanical strength for demanding applications with 70,000 psi tensile strength and Rockwell B70 hardness
• Reliable and precise thread engagement ensured by the Class 2A fit UNC coarse thread
• Space-saving installation in confined areas due to the ultra-low profile socket head design
• Secure and efficient drive performance provided by the 5/32" hex drive, minimizing cam-out
• Full-length thread availability for maximum design flexibility and holding power
• Compliance with strict environmental regulations including RoHS 3 and REACH for global industrial use

Professional Applications & Engineering Value

This 316 Stainless Steel Socket Head Cap Screw is engineered to solve critical challenges in industrial and marine applications where corrosion resistance and high tensile strength are paramount. The ultra-low profile head allows for installation in tight spaces where standard fasteners cannot fit, while the 5/16"-18 UNC coarse thread with a Class 2A fit provides rapid assembly and reliable performance in high-vibration environments. Its 70,000 psi tensile strength ensures structural integrity in machinery, equipment manufacturing, and chemical processing systems, making it an ideal industrial socket head screw for long-term, maintenance-free operation.

Specification Summary & Compliance

This fastener features a Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and interchangeability. Manufacturing adheres to strict specifications for inch system measurements, including head diameter and thread diameter tolerances. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industrial and international markets.