S-92800A371 1/4"-28 x 2 3/4" 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.
• Precision Class 2A thread fit guarantees consistent engagement and reduces cross-threading risks.
• External hex drive design allows for easy installation and removal with standard tools.
• Fully threaded shank provides maximum grip and uniform clamping force along the entire length.
• Rockwell B70 hardness offers excellent durability and resistance to wear and deformation.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptability.

Professional Applications & Engineering Value

This 1/4"-28 UNF hex head screw is engineered to address critical challenges in industrial assembly and machinery. The 18-8 stainless steel material provides exceptional resistance to rust and oxidation, making it suitable for outdoor, marine, and chemical-exposed applications. Its fine UNF thread and Class 2A thread fit deliver precise alignment and secure fastening in high-vibration environments, reducing maintenance needs. The combination of 80,000 psi tensile strength and Rockwell B70 hardness ensures long-term reliability in structural frameworks, automotive components, and heavy-duty equipment, where failure is not an option. The fully threaded design enhances load distribution, while the external hex drive simplifies installation in confined spaces, boosting efficiency on the production line.

Specification Summary & Compliance

This screw adheres to inch system measurements with a 1/4"-28 UNF fine thread and Class 2A thread fit for precise dimensional accuracy. It meets key industry standards, including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.