I know what B2B buyers need in fasteners, and I deliver with every batch of hex serrated flange screw. I design and produce these screws in premium steel, stainless, or alloy with zinc or black oxide finishes, giving high corrosion resistance and a clean, flush head. The built-in serrated flange bites into the workpiece to prevent loosening, even under vibration, while the hex head makes installation straightforward with common tools. Tolerances are tight to ensure reliable assembly in automotive, machinery, electrical enclosures, and metal fabrications. I offer ODM capabilities to tailor length, thread pitch, material, and finish to your exact spec. As a Factory-direct supplier, I can scale from prototyping to high-volume production with consistent quality and competitive pricing. I handle QA at every stage and provide documentation you need for procurement. Let’s discuss your requirements and timeline.
Precision and practicality meet in hex serrated flange screws, delivering dependable performance in critical assemblies. The hex drive and broad flange distribute load evenly, while serrations bite to resist loosening under vibration and reduce joint fatigue. Available in stainless steel, alloy grades, and coated finishes, they offer corrosion resistance and stable torque across automotive, electronics, and industrial environments. The anti-slip underhead bite ensures consistent installation quality. For global buyers, the value is the service ecosystem behind the part. Rigorous QC, dimensional checks, and material traceability ensure each batch meets high standards. Customization covers length, pitch, and coatings, with scalable production to match demand. Transparent lead times, reliable packaging, and responsive after-sales support keep multi-site projects on track. By combining engineering insight with manufacturing innovation, this fastener delivers dependable performance anywhere.
| Code | Material | Grade | Finish | Size | Length (mm) | Pitch (mm) | Head Dia (mm) | Tensile Strength (MPa) | Hardness (HRC) | Serrations | Standard |
|---|---|---|---|---|---|---|---|---|---|---|---|
| HF-304-A2-M6x20 | Stainless Steel A2-70 (304) | A2-70 | Passivated | M6 | 20 | 1.00 | 12 | 700 | 32 | Yes | ISO 3506-1 |
| HF-304-A2-M8x25 | Stainless Steel A2-70 (304) | A2-70 | Zinc plated | M8 | 25 | 1.25 | 14 | 700 | 33 | Yes | ISO 3506-1 |
| HF-316-A4-M8x30 | Stainless Steel A4-80 (316) | A4-80 | Passivated | M8 | 30 | 1.25 | 14 | 800 | 34 | Yes | ISO 3506-1 |
| HF-316-A4-M10x40 | Stainless Steel A4-80 (316) | A4-80 | Passivated | M10 | 40 | 1.5 | 17 | 800 | 36 | Yes | ISO 3506-1 |
| HF-304-A2-M6x16 | Stainless Steel A2-70 (304) | A2-70 | Zinc plated | M6 | 16 | 1.0 | 12 | 700 | 31 | Yes | ISO 3506-1 |
| HF-304-A2-M12x45 | Stainless Steel A2-70 (304) | A2-70 | Zinc plated | M12 | 45 | 1.75 | 19 | 690 | 35 | Yes | ISO 3506-1 |
| HF-304-A2-M6x30 | Stainless Steel A2-70 (304) | A2-70 | Zinc plated | M6 | 30 | 1.0 | 12 | 700 | 31 | Yes | ISO 3506-1 |