S-98427A150 1/2"-13 ASTM A563 Hex Nuts

Key Features & Benefits at a Glance

• Superior load distribution with an extra wide profile, reducing stress concentration and preventing joint failure in high-tension applications.
• Exceptional strength and durability from ASTM A563 Grade DH steel construction, ensuring reliable performance in heavy-duty industrial environments.
• Precise and secure fit with Class 2B thread tolerance, minimizing cross-threading and providing consistent clamping force.
• Wide compatibility with 1/2"-13 UNC coarse threads, offering easy installation and interchangeability in various machinery and structural assemblies.
• Enhanced torque resistance due to the external hex drive design, allowing for efficient tightening with standard tools without stripping.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries and global markets.
• Optimized for right-hand threading in coarse spacing, facilitating quick assembly and disassembly in dynamic load conditions.

Professional Applications & Engineering Value

This heavy-duty hex nut is engineered to address critical challenges in industrial fastening, such as vibration-induced loosening and high tensile stress. The ASTM Grade DH steel material provides excellent mechanical properties, resisting deformation under extreme loads, while the extra wide profile distributes pressure evenly across surfaces, reducing the risk of damage to connected components. Ideal for construction, machinery, and automotive applications, the 1/2"-13 UNC coarse thread ensures robust connections in structural frames, equipment mounts, and heavy assemblies. Its Class 2B thread fit guarantees precision alignment, minimizing downtime and maintenance costs. By incorporating RoHS and REACH compliance, it meets stringent environmental regulations, making it a reliable choice for sustainable engineering projects.

Specification Summary & Compliance

This hex nut adheres to ASTM A563 specifications with a Grade DH strength classification, ensuring high performance in demanding conditions. Thread dimensions follow 1/2"-13 UNC coarse standards with a Class 2B fit for precise tolerance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), supporting environmental safety and regulatory requirements in industrial hardware.