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What are DIN 929 Steel Plain Hex Weld Nuts?
DIN 929 hex weld nuts are metric hexagonal nuts designed to be permanently attached to sheet metal and other metal components through resistance welding. They feature an internally threaded hexagonal body, three welding projections on the bearing face, and a locating pilot that helps position the nut over a prepared hole. Once welded in place, the nut provides a permanent threaded attachment point for a bolt or screw, making it useful for assemblies where a conventional nut would be difficult to access or hold during installation.
What material are DIN 929 Steel Plain Hex Weld Nuts made from?
These weld nuts are manufactured from steel with a plain, uncoated finish. The uncoated surface is suitable for applications where additional corrosion protection is not required or will be provided through a separate finishing process after fabrication. Because plain steel does not have the added corrosion protection of zinc plating or stainless steel, the application environment and any planned post-weld treatment should be considered when selecting these nuts.
Why choose DIN 929 Steel Plain Hex Weld Nuts?
The three welding projections concentrate contact at specific points, helping form a reliable resistance-welded connection when used with appropriate welding equipment and settings. The locating pilot helps align the nut with the prepared hole, while the hexagonal body provides a stable shape that resists rotation during subsequent bolt installation. DIN 929 weld nuts are particularly useful for adding permanent metric threads to metal components without requiring a separate loose nut during final assembly.
Where are DIN 929 Steel Plain Hex Weld Nuts commonly used?
DIN 929 plain steel hex weld nuts are commonly used in automotive manufacturing, vehicle body assembly, sheet metal fabrication, electrical enclosures, control cabinets, appliances, HVAC equipment, industrial machinery, agricultural equipment, construction equipment, furniture frames, and OEM production.
They are frequently welded to metal panels, brackets, chassis components, housings, equipment frames, access covers, mounting plates, and fabricated steel assemblies to provide permanent threaded attachment points. These weld nuts are especially useful in high-volume manufacturing, where repeatable positioning and efficient assembly are important. Plain steel versions are a practical choice for protected indoor applications or manufacturing processes where painting, coating, or another corrosion-protection treatment is applied separately.
