S-93439A620 5/16"-18 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from silicon bronze material, ideal for marine and harsh environments
• Reliable coarse threading (5/16"-18 UNC) ensures quick assembly and reduced cross-threading risks
• Precision Class 2B thread fit guarantees consistent engagement and vibration resistance
• External hex drive design provides secure grip with standard tools for efficient installation
• Environmental compliance with RoHS 3 and REACH standards for safe, sustainable usage
• Durable standard profile (1/2" width) offers robust performance in industrial applications
• Right-hand threading enables straightforward installation and maintenance operations

Professional Applications & Engineering Value

Engineered for demanding conditions, these silicon bronze hex nuts deliver exceptional longevity in corrosive settings like marine hardware, chemical processing, and outdoor structures. The 5/16"-18 UNC coarse thread design minimizes galling and seizing, while the Class 2B thread fit maintains tight tolerances under dynamic loads. With external hex drive compatibility, they enable rapid deployment in maintenance-critical industries. Their corrosion-resistant properties eliminate frequent replacements, reducing downtime in industrial fastening systems, marine rigging, and coastal infrastructure projects where moisture and salt exposure compromise ordinary fasteners.

Specification Summary & Compliance

This inch-system hex nut features 5/16"-18 UNC coarse threads with Class 2B thread fit per standard specifications. Dimensions include 1/2" width and 17/64" height with right-hand threading. Manufacturing adheres to environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring hazardous substance restrictions are met for global industrial use.