S-91223A229 3/8"-16 x 3/4" 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 or chemical-exposed environments.
• Space-saving installation due to the ultra-low profile socket head, allowing use in tight clearance applications.
• High-strength performance with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, durable fastening under load.
• Precise and reliable thread engagement with Class 2A thread fit and coarse UNC threads, ensuring easy assembly and vibration resistance.
• Secure, high-torque driving using a standard 3/16" hex key, minimizing stripping and providing a positive grip.
• Full thread coverage along the 3/4" length for maximum adjustability and grip in a wide range of material thicknesses.
• Environmental and regulatory compliance with RoHS 3 and REACH, making it suitable for global markets and sensitive applications.

Professional Applications & Engineering Value

This 316 Stainless Steel Socket Head Cap Screw is engineered to solve critical challenges in demanding industrial settings. Its ultra-low profile head is essential for applications where space is constrained, such as in compact machinery, enclosures, or precision instruments, without sacrificing strength. The 3/8"-16 UNC coarse thread and Class 2A fit provide excellent engagement in a variety of materials, reducing cross-threading risks and ensuring consistent clamp load. Made from corrosion-resistant 316 stainless steel, it excels in environments exposed to moisture, chemicals, or marine conditions, preventing fastener failure and minimizing maintenance. Combined with a hex drive for high torque application, this screw delivers reliable performance in automotive, aerospace, and manufacturing assembly lines where durability and compliance are non-negotiable.

Specification Summary & Compliance

This socket head cap screw features a 3/8"-16 UNC coarse thread with Class 2A thread fit for standard inch-system applications, ensuring dimensional accuracy and interchangeability. Manufacturing adheres to strict tolerances, such as head diameter tolerance of -0.005" to 0.005". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industries and environmentally conscious projects.