S-93190A914 1"-8 x 2 1/2" ASME B18.2.1 Super-Corrosion-Resistant 316 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress, reducing the risk of fastener failure.
• Coarse UNC threading with Class 2A fit provides easier, faster assembly and better resistance to vibration loosening compared to fine threads.
• External hex drive design allows for high torque application with standard tools, enabling secure installations in tight spaces.
• Full threading along the 2 1/2" length offers maximum grip and adjustability, accommodating a wider range of material thicknesses.
• Rockwell B70 hardness enhances durability and wear resistance, extending service life in high-cycle or abrasive conditions.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees consistent quality, safety, and environmental responsibility for global industrial use.

Professional Applications & Engineering Value

This 1"-8 UNC coarse thread hex head screw in 316 stainless steel is engineered to address critical challenges in demanding sectors such as marine equipment, chemical processing, and structural assemblies. Its external hex drive and Class 2A thread fit ensure quick, reliable fastening even in high-vibration environments, minimizing maintenance downtime. The coarse threading reduces cross-threading risks and allows for efficient installation in softer materials or where debris is present. With a 2 1/2" length and full threading, it provides versatile clamping force across varied joint thicknesses. The corrosion-resistant properties of 316 stainless steel make it a cost-effective solution for applications exposed to moisture, chemicals, or extreme temperatures, ensuring long-term integrity and reducing replacement frequency.

Specification Summary & Compliance

This hex head screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent assembly and UNC coarse thread specifications. It is manufactured in compliance with ASME B18.2.1 for mechanical and dimensional reliability. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for environmentally conscious industrial procurement.