S-93975A300 3/8"-16 ASME B1.1 Weld Nuts

Key Features & Benefits at a Glance

• Superior weld integrity with square shape design ensuring maximum contact surface for secure, permanent fastening in industrial applications
• Exceptional thread reliability with Class 2B coarse UNC threads providing smooth engagement and resistance to cross-threading during assembly
• Optimized collar dimensions (17/32" diameter, 0.063" height) delivering enhanced stability and load distribution across welded surfaces
• Robust steel construction offering high tensile strength and durability for demanding industrial environments and heavy-duty applications
• Precision hole compatibility designed for 35/64" diameter holes, ensuring perfect fit and alignment during welding operations
• Full regulatory compliance meeting ASME B1.1 standards plus REACH and RoHS 3 environmental regulations for global market acceptance
• Right-hand thread configuration with coarse thread spacing enabling quick installation and reduced assembly time in production environments

Professional Applications & Engineering Value

This 3/8"-16 UNC square weld nut delivers exceptional engineering value through its steel construction and precision Class 2B thread fit, specifically engineered to solve critical fastening challenges in industrial manufacturing. The square weld nut design provides superior anti-rotation properties when welded to structural components, preventing loosening under vibration and dynamic loads common in machinery, automotive frames, and heavy equipment. The coarse thread configuration ensures reliable performance in applications where fine debris or minor surface imperfections might compromise thread engagement. Manufactured to ASME B1.1 standards, this weld nut maintains consistent dimensional accuracy across production batches, reducing installation issues and rework in assembly line operations. The combination of right-hand threading and optimized collar dimensions makes it ideal for structural welding applications requiring high-strength, permanent fastening solutions that withstand extreme operational stresses.

Specification Summary & Compliance

This square weld nut features precise Class 2B thread fit with 3/8"-16 UNC coarse threads manufactured to ASME B1.1 specifications for dimensional accuracy and performance reliability. The nut maintains a width of 5/8", height of 1/4", with collar dimensions of 17/32" diameter and 0.063" height, designed for 35/64" hole diameter applications. Full compliance with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations ensures suitability for international markets and environmentally conscious manufacturing operations.