S-92198A630 3/8"-16 x 1 3/4" 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 industrial environments
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration
• Rockwell B70 hardness provides excellent durability and resistance to wear and deformation
• Coarse UNC threads enable faster installation and better performance in soft materials
• Partially threaded design allows for precise clamping force control in assembled components
• External hex drive offers secure tool engagement and high torque capability
• Compliance with multiple standards including ASME B18.2.1, RoHS 3, and REACH for quality assurance

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw delivers exceptional engineering value in demanding applications where corrosion resistance and mechanical strength are critical. The 18-8 Stainless Steel composition provides inherent protection against rust and chemical exposure, making it suitable for marine, food processing, and outdoor equipment applications. The coarse thread design ensures quick assembly and reliable performance in materials prone to stripping, while the partially threaded configuration allows for precise joint compression control. With its external hex drive and substantial head dimensions, this fastener accommodates high torque applications without slippage, reducing installation time and improving workplace efficiency in industrial maintenance, machinery assembly, and structural fabrication projects.

Specification Summary & Compliance

This hex head screw features precision Class 2A thread fit with UNC coarse threading (3/8"-16) in right-hand direction, ensuring consistent engagement and reliable performance. The fastener meets ASME B18.2.1 dimensional and mechanical specifications, guaranteeing interchangeability and quality consistency. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted hazardous substances. The inch system measurements, including 1¾" length and 9/16" head width, adhere to standardized industrial requirements for North American applications.