S-92198A388 3/4"-16 x 3 1/2" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing replacement frequency
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration, minimizing failure risks
• Fine UNF thread design provides better clamping force and vibration resistance compared to coarse threads
• Partially threaded shank allows for unthreaded grip length, improving shear strength and alignment in assembled components
• External hex drive and large 1 1/8" head width enable high torque application with standard tools, speeding up installation
• Class 2A thread fit ensures consistent, free-spinning assembly with nuts for efficient production line use
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees quality, safety, and environmental standards for global industrial applications

Professional Applications & Engineering Value

This 3/4"-16 UNF hex head screw is engineered to address critical challenges in heavy-duty industrial applications, such as machinery assembly, structural frameworks, and equipment manufacturing. The 18-8 stainless steel material offers excellent resistance to rust and oxidation, extending service life in humid or corrosive settings. With a partially threaded design and fine UNF threads, it delivers superior vibration resistance and precise clamping force, reducing loosening in dynamic operations. The external hex drive facilitates quick, high-torque installation, enhancing workflow efficiency. Ideal for use in construction, automotive, and marine sectors, this screw ensures reliable fastening where high tensile strength and durability are paramount, supported by compliance with ASME B18.2.1 standards for consistent performance.

Specification Summary & Compliance

This screw features a Class 2A thread fit per UNF standards, ensuring dimensional accuracy and interchangeability. It complies with ASME B18.2.1 for manufacturing consistency, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances for safe industrial use.