S-94640A502 3/4"-16 Weld Nuts

Key Features & Benefits at a Glance

• Exceptional strength and durability from 4130 alloy steel construction, ideal for high-stress industrial applications
• Secure, vibration-resistant connections with fully threaded left-hand UNF fine threads that resist loosening under counter-clockwise motion
• Precise fit and reliable performance ensured by Class 2B thread fit for smooth assembly and reduced cross-threading risks
• Optimized for 1-1/2" tube systems with compatibility for 0.095" wall thickness, providing stable welded joints in tubing assemblies
• Full 1-7/8" thread engagement maximizes load distribution and connection integrity in demanding environments
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries
• Left-hand threading capability offers specialized solutions for reverse-thread applications where standard nuts are unsuitable

Professional Applications & Engineering Value

This 3/4"-16 UNF left hand tube end weld nut delivers critical engineering value in industrial settings where reverse-thread security is paramount. Manufactured from 4130 alloy steel, it provides superior tensile strength and fatigue resistance, addressing common failure points in high-vibration machinery, hydraulic systems, and aerospace tubing. The fully threaded fine UNF pattern and Class 2B thread fit ensure precise engagement with mating components, reducing installation time and preventing thread damage. Specifically engineered for 1-1/2" OD tubing with 0.095" wall thickness, it creates robust welded connections that maintain integrity under thermal cycling and mechanical stress. The left-hand threading is particularly valuable in rotating equipment where standard right-hand threads would naturally loosen, providing engineered safety in conveyor systems, pump assemblies, and specialized manufacturing equipment.

Specification Summary & Compliance

This tube end weld nut features 3/4"-16 UNF left-hand fine threading with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. The full 1-7/8" thread length provides maximum engagement depth for secure fastening. Manufacturing complies with industry standards for inch system components. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant (including 223 SVHCs as of 01/17/2022), meeting stringent environmental regulations for industrial use.