S-91223A346 3/8"-16 x 2 1/2" 316 Stainless Steel Ultra-Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure.
• Exceptional strength and durability from a Rockwell B70 hardness and 70,000 psi tensile strength, ensuring reliable performance under high stress.
• Precise and secure fastening with a Class 2A thread fit and UNC coarse threading, providing excellent engagement and vibration resistance.
• Space-saving ultra-low profile head allows for installation in tight or recessed areas where clearance is limited.
• Easy and efficient installation using a standard 3/16" hex key, offering a secure drive and reducing the risk of stripping.
• Full thread engagement along the entire 2 1/2" length for maximum grip and load distribution in demanding applications.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.

Professional Applications & Engineering Value

This 316 Stainless Steel Socket Head Cap Screw is engineered to solve critical challenges in industrial and mechanical assemblies. Its corrosion-resistant material makes it perfect for marine, chemical processing, and food-grade equipment, where exposure to moisture and aggressive substances is common. The ultra-low profile head and 3/8"-16 UNC coarse thread with a Class 2A fit ensure quick assembly and reliable performance in high-vibration environments like machinery, automotive systems, and structural frameworks. With a 70,000 psi tensile strength and Rockwell B70 hardness, it withstands heavy loads and repetitive stress, reducing maintenance needs and downtime. The fully threaded design and right-hand thread provide uniform clamping force, making it a top choice for precision screws in demanding industrial fasteners applications.

Specification Summary & Compliance

This screw features precise dimensions including a thread diameter of 0.375" and length of 2 1/2", with a Class 2A thread fit ensuring accurate tolerances per UNC standards. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free from hazardous substances and suitable for regulated industries.