S-95140A147 1/2"-20 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and durability with Grade 5 steel construction, ensuring reliable performance in high-stress and heavy-duty applications.
• Secure and precise left-hand thread engagement with a 1/2"-20 UNF fine thread and Class 2B fit, preventing loosening under counter-clockwise rotation and offering excellent vibration resistance.
• Easy installation and removal using standard wrenches thanks to the external hex drive and standard 3/4" width profile.
• Superior corrosion resistance from the steel material, providing long-term reliability in harsh industrial environments.
• Compliance with major environmental regulations, being RoHS 3 and REACH compliant, ensuring safety and suitability for global markets.
• Optimized for fine-thread applications where increased adjustability and superior sealing capabilities are required compared to coarse threads.
• Consistent dimensional accuracy with a height of 7/16", ensuring uniform performance and ease of assembly in repetitive manufacturing processes.

Professional Applications & Engineering Value

This Grade 5 steel hex nut is engineered to address critical challenges in machinery, automotive, and construction sectors where left-hand threading is essential for safety and specialized motion control. Its 1/2"-20 UNF fine thread with a Class 2B fit provides superior resistance to vibration loosening, making it ideal for applications subject to reverse rotational forces. The external hex drive and standard profile allow for quick, tool-friendly installation, reducing assembly time and labor costs. Made from robust steel, it offers excellent tensile strength and corrosion resistance, ensuring long-term reliability in demanding environments. This nut is a trusted solution for maintaining integrity in industrial fastening systems, from heavy equipment to precision assemblies.

Specification Summary & Compliance

This hex nut adheres to inch system standards with a thread size of 1/2"-20 UNF and a Class 2B thread fit for consistent dimensional accuracy and ease of assembly. It meets manufacturing specifications for Grade 5 strength, ensuring high performance under load. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for industrial use worldwide.