Unknown 3278 5/16-18 Weld Nut Zinc Black Lot of 25

5/16-18 weld nut set designed for permanent attachment to metal surfaces, providing a strong threaded connection point for bolts in fabrication and industrial assembly applications. Manufacturer: Not specified Product type: Weld nut Thread size: 5/16"-18 UNC Designation: 5/16-18 Weld Nut Zinc Black Thread type: Unified National Coarse (UNC) Material: Carbon steel (typical industrial grade) Finish: Zinc plated with black coating (Zinc Black) Corrosion resistance: Moderate corrosion protection due to zinc coating Nut type: Weld nut with projection points Mounting method: Spot welding / projection welding to metal surfaces Base design: Flat base with weld projections for secure attachment Thread type: Internal machine thread Quantity: Lot of 25 pieces Package marking: “5/16-18 WELD NUT ZINC BLK”, quantity 25 Load distribution: Designed for permanent mounting in sheet metal or structural components Application: Automotive, sheet metal fabrication, machinery assembly, industrial equipment Installation: Requires welding equipment (projection or spot weld) Compatibility: Suitable for use with 5/16"-18 bolts and screws Operating temperature: Suitable for standard industrial temperature ranges Strength: Depends on weld quality and base material Standards: Typically aligned with ANSI/ASME fastener standards (exact specification not indicated) Country of manufacture: Not specified Weight: Approx. 10–20 g per nut Additional features: Provides fixed threaded anchor point, eliminates need for tapping, suitable for repetitive assembly operations Please review pictures carefully and let us know if you have any questions!