As a dedicated fastener supplier, I offer {3/8-24 flange nuts} that meet tough industrial demands. From our {Factory}, I can customize with {ODM} options to match your finishes, coatings, and tolerances. These nuts feature a compact flange for even load distribution and a shoulder under head to resist loosening under vibration. They’re manufactured from corrosion-resistant steel and zinc-plated to endure harsh environments, giving longer service life in automotive, machinery, and construction projects. I provide scalable quantities, controlled QA, and on-time delivery so your production line never slow down. If you’re sourcing a reliable supply chain, I’ll tailor packaging, standard or custom thread forms, and coating choices to your exact specs. Competitive pricing meets practical performance, and I stand behind every lot with traceability and after-sales support. Let me simplify your procurement with a proven {ODM} route and direct access to a trusted {Factory}-level fastener solution.
3/8-24 flange nuts pair a compact hex nut with a flange that spreads clamping load and resists loosening in vibration-heavy assemblies. The 3/8-24 thread is a fine thread common in automotive, machinery, and electronics enclosures, offering strong engagement. Materials include stainless steel (304/316) for corrosion resistance and carbon steel with zinc or black-oxide finishes for cost efficiency. For the current year, buyers should demand precise thread and flange dimensions, firm flange serrations or knurling, and conformance to standard methods (ASTM/SAE/DIN). Full process documentation and material certificates help verify quality. Key procurement considerations are lead times, minimum order quantities, and packaging that prevents rust in transit. Request material test reports, conformance certificates, and performance data on torque and shear. Options such as passivated stainless finishes, pre-lubricated coatings, or customer-specified coatings can extend service life in harsh environments. With evolving supply chains, regional stock and clear warranty terms help buyers secure a steady year-round supply of 3/8-24 flange nuts.
| Product Code | Description | Thread Size | Across Flats (mm) | Flange Outer Diameter (mm) | Flange Thickness (mm) | Nut Thickness (mm) | Material | Finish | Grade/Alloy | Coating | Special Feature | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FN-338-24-304-STD01 | Stainless steel flange nut, 3/8-24 UNC, standard | 3/8-24 UNC | 14.5 | 19.0 | 3.0 | 7.0 | Stainless Steel 304 | Satin | A2-304 | Passivated | — | 2026 |
| FN-338-24-304-BR01 | Stainless steel flange nut, 3/8-24 UNC, brushed finish | 3/8-24 UNC | 14.5 | 19.0 | 3.1 | 6.8 | Stainless Steel 304 | Brushed | A2-304 | Passivated | — | 2026 |
| FN-338-24-ZP02 | Carbon steel flange nut, 3/8-24 UNC, zinc plated | 3/8-24 UNC | 14.3 | 19.0 | 2.8 | 5.6 | Carbon Steel | Zinc Plated | Grade 2 | Zinc | Smooth internal thread | 2026 |
| FN-338-24-SS316-01 | Stainless steel flange nut, 3/8-24 UNC, marine grade | 3/8-24 UNC | 14.5 | 19.8 | 3.2 | 6.9 | Stainless Steel 316 | Polished | A4-316 | Passivated | Corrosion resistant | 2026 |
| FN-338-24-AL6061-01 | Aluminum flange nut, 3/8-24 UNC, lightweight | 3/8-24 UNC | 15.0 | 18.0 | 2.5 | 4.8 | Aluminum 6061-T6 | Anodized | 6061-T6 | Anodized | Non-magnetic | 2026 |
| FN-338-24-NYL-01 | Nylon insert flange nut, 3/8-24 UNC | 3/8-24 UNC | 14.6 | 18.2 | 3.0 | 6.2 | Steel | Zinc Plated | Grade 2 | Zinc | Nylon insert for locking | 2026 |
| FN-338-24-DIN-01 | DIN standard flange nut, 3/8-24 UNC | 3/8-24 UNC | 14.4 | 19.2 | 2.9 | 5.9 | Steel | Black Oxide | Grade 2 | None | DIN-form geometry | 2026 |
| FN-338-24-SS304-EP | Stainless steel flange nut, 3/8-24 UNC, enhanced performance | 3/8-24 UNC | 14.7 | 19.5 | 3.3 | 7.2 | Stainless Steel 304 | Satin | A2-304 | Passivated | Heat-treated threads | 2026 |