S-92198A123 1/4"-28 x 5" 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 stress.
• External hex drive and hex head provide secure, easy installation with standard tools, reducing assembly time.
• UNF fine threading and Class 2A thread fit offer precise, vibration-resistant connections in demanding applications.
• Partially threaded design allows for controlled clamping force and secure fastening in specific assembly setups.
• Compliance with ASME B18.2.1 standards guarantees consistent quality, interchangeability, and safety.
• RoHS 3 and REACH compliant for environmentally responsible and safe use across global markets.

Professional Applications & Engineering Value

This 1/4"-28 x 5" hex head screw is engineered to address critical challenges in industrial and mechanical assemblies. Made from 18-8 stainless steel, it provides excellent resistance to corrosion and oxidation, extending service life in moist or chemically aggressive settings. The UNF fine thread and Class 2A thread fit ensure tight, secure fastening that minimizes loosening under vibration, making it ideal for machinery, automotive, and structural applications. With an external hex drive and partially threaded shank, it offers controlled grip and easy installation, reducing the risk of over-torquing and improving assembly efficiency in heavy-duty environments where reliability is paramount.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNF fine thread specifications. It meets ASME B18.2.1 manufacturing guidelines, ensuring uniformity and reliability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it supports safe and environmentally conscious usage in industrial sectors.