S-94252A705 1/4"-28 ASTM A194 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional Strength & Durability: ASTM Grade 8 classification ensures high tensile strength and reliable performance in heavy-duty and high-stress industrial environments.
• Superior Corrosion Resistance: Made from 18-8 Stainless Steel, offering excellent resistance to rust and corrosion, ideal for harsh or outdoor applications.
• Precise Thread Engagement: 1/4"-28 UNF fine threads with Class 2B fit provide secure, vibration-resistant fastening and reduced risk of loosening.
• Enhanced Wrenching Surface: Extra wide hex profile allows for greater torque application and easier installation with standard tools.
• Heavy-Duty Compliance: Meets ASTM A194 specifications, ensuring consistency and reliability for critical engineering and construction projects.
• Environmental Responsibility: RoHS 3 (2015/863/EU) compliant, free from hazardous substances, making it suitable for regulated industries.
• Optimized for Standard Tools: External hex drive design facilitates quick and efficient installation using common wrenches.

Professional Applications & Engineering Value

This Grade 8 stainless steel hex nut is engineered to address common industrial challenges such as vibration-induced loosening and material fatigue. The 18-8 stainless steel construction provides inherent corrosion resistance, making it ideal for applications in marine, chemical processing, and outdoor infrastructure where exposure to moisture and chemicals is a concern. The 1/4"-28 UNF fine thread and Class 2B thread fit ensure tight, secure connections that maintain integrity under dynamic loads, reducing maintenance needs. Its extra wide hex profile allows for higher torque application, preventing stripping and ensuring reliable performance in heavy-duty assemblies like machinery, automotive systems, and structural frameworks. Complying with ASTM A194, this nut delivers consistent quality and durability for engineers and procurement specialists seeking long-term fastener solutions.

Specification Summary & Compliance

This hex nut features a 1/4"-28 UNF fine thread with Class 2B thread fit for precise dimensional accuracy and secure fastening. It adheres to ASTM A194 manufacturing standards and is constructed from 18-8 Stainless Steel meeting ASTM Grade 8 strength requirements. The product is RoHS 3 (2015/863/EU) Compliant, ensuring environmental safety, and is designed with a right-hand thread direction and external hex drive for standard tool compatibility in inch-based systems.