S-90502A046 2"-4 1/2 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced Load Distribution: Extra-wide thin profile provides superior surface contact, reducing stress concentrations and preventing joint loosening in heavy-duty applications.
• High-Strength Performance: Grade 2 steel construction ensures reliable tensile strength and durability for demanding industrial environments.
• Quick Installation Efficiency: Coarse UNC threads with Class 2B fit enable faster assembly and disassembly, saving labor time and costs.
• Secure Fastening Integrity: Right-hand thread direction and external hex drive offer stable torque application and resistance to vibration-induced failures.
• Regulatory Compliance Assurance: RoHS 3 and REACH compliance guarantees safe, eco-friendly use without hazardous substances, meeting global standards.
• Versatile Inch System Compatibility: Designed for seamless integration with UNC-threaded components in inch-based machinery and equipment.
• Optimized Space Utilization: Thin profile allows for compact designs where clearance is limited, without compromising strength.

Professional Applications & Engineering Value

This heavy-duty hex nut is engineered to address critical challenges in industrial fastening, such as vibration resistance and load stability. Made from Grade 2 steel, it delivers excellent mechanical strength for construction, machinery, and infrastructure projects where reliability is paramount. The extra-wide thin profile distributes clamping force evenly, minimizing the risk of surface damage and maintaining joint integrity under dynamic stresses. With coarse UNC threads and Class 2B thread fit, it ensures quick, precise engagement with mating bolts, reducing installation errors in time-sensitive operations. The external hex drive facilitates easy wrench access, ideal for maintenance in confined spaces. Compliant with RoHS and REACH, it supports sustainable manufacturing practices while providing a robust solution for industrial fasteners in harsh environments.

Specification Summary & Compliance

This hex nut adheres to UNC thread standards with Class 2B thread fit for consistent dimensional accuracy and coarse spacing (2"-4 1/2 size range). Manufactured from Grade 2 steel with an extra-wide thin profile (3 1/8" width, 1 3/32" height), it meets industry specifications for inch-system applications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory alignment for global supply chains.