S-94640A440 3/8"-24 Weld Nuts

Key Features & Benefits at a Glance

• Superior tube connection integrity with precise 1" OD and 0.095" wall thickness compatibility for leak-free assemblies
• Enhanced fatigue resistance due to 4130 Alloy Steel construction, ideal for high-stress industrial environments
• Reliable fine-thread engagement with 3/8"-24 UNF threading and Class 2B fit, ensuring vibration-resistant fastening
• Optimized welding performance from the partially threaded design, allowing secure tube end attachment without thread damage
• Simplified installation with right-hand thread direction, facilitating quick assembly in standard applications
• Long-term environmental compliance meeting RoHS 3 and REACH standards for safe, sustainable industrial use
• Accurate dimensional consistency in inch system measurements, guaranteeing interchangeability and reduced assembly errors

Professional Applications & Engineering Value

This tube end weld nut addresses critical challenges in fluid and structural systems where tube connections must withstand pressure, vibration, and corrosion. Crafted from 4130 Alloy Steel, it offers high tensile strength and weldability, preventing failures in hydraulic, pneumatic, or automotive tubing assemblies. The UNF fine threading (3/8"-24) with Class 2B thread fit ensures tight sealing and resistance to loosening under dynamic loads. Its partially threaded design protects threads during welding, maintaining integrity for 1" OD tubing with 0.095" walls. Ideal for industrial machinery, transportation equipment, and energy systems, this nut delivers engineering reliability while complying with stringent environmental regulations.

Specification Summary & Compliance

This weld nut adheres to UNF fine thread standards with a Class 2B thread fit for consistent dimensional accuracy. It features a 1" thread length, right-hand threading, and inch-based sizing (3/8"-24). Manufactured to industrial specifications, it fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) for hazardous substance restrictions, ensuring safety and regulatory alignment in global supply chains.