S-95508A400 1/4"-28 ASME B1.1 Weld Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term durability.
• Precise thread engagement with Class 2B fit and fine UNF threads, ensuring reliable, vibration-resistant connections.
• Optimized weld collar design (13/32" diameter, 0.04" height) for strong, stable welds and reduced risk of weld failure.
• Compliance with ASME B1.1 standards guarantees dimensional accuracy and interchangeability in industrial assemblies.
• Right-hand fine threading (1/4"-28 UNF) provides enhanced clamping force and secure fastening in high-stress applications.
• Environmental and safety compliance with RoHS 3 and REACH, ensuring safe use in regulated industries.
• Hex shape design for easy installation and removal using standard tools, improving assembly efficiency.

Professional Applications & Engineering Value

This 1/4"-28 UNF Hex Weld Nut in 18-8 Stainless Steel addresses critical industrial challenges, such as corrosion in exposed or high-moisture settings. Its fine thread and Class 2B thread fit deliver superior resistance to loosening under vibration, making it ideal for machinery, automotive frames, and structural welding. The weld nut design, with a precise collar diameter and height, ensures minimal heat distortion during welding, maintaining thread integrity and reducing rework. Compliant with ASME B1.1, it supports standardized assembly processes, while REACH and RoHS 3 compliance meets global safety mandates, providing reliability in sectors like manufacturing and construction.

Specification Summary & Compliance

This weld nut adheres to ASME B1.1 standards with a Class 2B thread fit for consistent dimensional accuracy in UNF fine threads (1/4"-28). It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety. Designed for a 27/64" hole diameter, it supports precise installation in industrial welding applications.