S-92198A933 1"-8 x 9" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 80,000 psi ensures reliable performance in heavy-duty applications
• Rockwell B70 hardness provides superior durability and resistance to wear
• Class 2A thread fit offers consistent, reliable fastening with standard UNC coarse threads
• Partial threading design allows for precise clamping force control in structural assemblies
• External hex drive and hex head enable easy installation with common tools
• Full compliance with ASME B18.2.1 ensures dimensional accuracy and interchangeability

Professional Applications & Engineering Value

This 1"-8 UNC hex head screw is engineered to address critical challenges in industrial fastening, where corrosion resistance and high tensile strength are paramount. The 18-8 stainless steel material prevents rust and degradation in demanding environments like chemical processing, marine applications, and outdoor structures. With its coarse UNC threads and Class 2A thread fit, it ensures quick assembly and reliable grip in heavy machinery, construction frameworks, and large-scale equipment. The partial threading design minimizes stress concentration, enhancing joint integrity. Compliant with ASME B18.2.1, this screw delivers consistent performance, reducing downtime and maintenance costs in industrial hex bolt applications.

Specification Summary & Compliance

This hex head screw features a 1"-8 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy per ASME B18.2.1 standards. It is manufactured from 18-8 stainless steel with a tensile strength of 80,000 psi and Rockwell B70 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.