S-90299A710 3/8"-16 x 3/4" ASME B18.3, ASTM A574 Brass-Tip Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Prevents surface damage with a non-marring brass tip, ideal for delicate materials and finished surfaces.
• Superior strength and durability from alloy steel with a Rockwell C39 hardness and 180,000 psi tensile strength for demanding applications.
• Reliable, secure fastening ensured by Class 3A UNC coarse threads, providing excellent grip and vibration resistance.
• Easy installation in confined spaces with a standard hex socket head and 5/16" drive for efficient torque application.
• Enhanced corrosion resistance from the black-oxide finish, extending the screw's service life.
• Full-threaded design for maximum engagement and holding power along the entire 3/4" length.
• Broad industrial compatibility with a right-hand thread direction and coarse thread spacing for common assembly needs.

Professional Applications & Engineering Value

This socket head cap screw is engineered to solve critical challenges in industrial assembly and machinery. The black-oxide alloy steel construction provides high tensile strength and fatigue resistance, making it suitable for high-stress environments where fastener failure is not an option. The non-marring brass tip is a key feature for applications involving sensitive surfaces, such as in automotive, aerospace, or precision equipment, preventing scratches and damage during installation. Its UNC coarse threads and Class 3A fit ensure quick, reliable fastening with minimal cross-threading risk, reducing assembly time and maintenance costs. The combination of a hex drive and fully threaded design allows for efficient torque transfer and versatile use in tight spaces, offering engineers a dependable solution for robust, long-lasting connections.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 3A thread fit for superior accuracy and a 3/8"-16 UNC coarse thread. It is manufactured in compliance with ASME B18.3 and ASTM A574 specifications, ensuring consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use in various global markets.