I’m your go-to partner for hex head serrated flange bolts, engineered for high torque, corrosion resistance, and secure, vibration-damping clamping. Whether you’re an OEM or part of the Suppliers network, you’ll value our consistent material grades, dimensional accuracy, and scalable quantities. I keep stock in common sizes and finish options, with fast lead times and complete certs (QA, material test reports). We offer stainless steel, alloy steel, and coated finishes to suit marine, automotive, and industrial environments. Each bolt features a serrated flange to prevent loosening under dynamic loads, and the hex head allows easy torquing with standard tools. If you’re evaluating Suppliers, you’ll see our precision, competitive pricing, and flexible packaging. I’m here to support you with specs, drawings, and samples so your assembly runs smooth—without compromise.
Hex head serrated flange bolts offer torque accuracy and anti-loosening performance in a compact design. The hex head enables reliable tooling, while the serrated flange creates an integrated locking surface that reduces vibration-induced loosening. The flange distributes clamping force over a larger area, eliminating the need for separate washers and minimizing surface damage. This combination makes them a trusted choice for demanding equipment, machinery, and structural assemblies exposed to dynamic loads. For global buyers, choosing the right variant matters. Material options include carbon steel, stainless steel, and alloy grades, with finishes such as zinc plating or black oxide for corrosion resistance. Always align with international standards (ISO, DIN) and insist on clear specifications, traceability, and quality testing. Ensure proper heat treatment, tight tolerances, and robust packaging for long-distance logistics. With the right material, finish, and specifications, hex head serrated flange bolts deliver reliable performance across diverse climates and applications worldwide.
| Part Number | Size (mm) | Length (mm) | Thread Pitch (mm) | Material | Grade | Coating | Head Height (mm) | Flange Ø (mm) | Tensile Strength (MPa) | Standard |
|---|---|---|---|---|---|---|---|---|---|---|
| P-FLG-M6x14-8.8-ZP | M6 | 14 | 1.0 | Carbon Steel | 8.8 | Zinc Plated | 2.5 | 13.5 | 800 | ISO 898-1 |
| P-FLG-M8x20-10.9-ZP | M8 | 20 | 1.25 | Carbon Steel | 10.9 | Zinc Plated | 3.0 | 16.0 | 1000 | ISO 898-1 |
| P-FLG-M8x25-A2-70-SS | M8 | 25 | 1.25 | Stainless Steel A2-70 | A2-70 | None | 3.0 | 16.0 | 520 | ISO 3506-1 |
| P-FLG-M10x30-8.8-ZP | M10 | 30 | 1.5 | Carbon Steel | 8.8 | Zinc Plated | 4.0 | 18.0 | 800 | ISO 898-1 |
| P-FLG-M12x40-10.9-ZP | M12 | 40 | 1.75 | Carbon Steel | 10.9 | Zinc Plated | 5.0 | 22.0 | 1000 | ISO 898-1 |
| P-FLG-M16x45-8.8-ZP | M16 | 45 | 2.0 | Carbon Steel | 8.8 | Zinc Plated | 7.0 | 28.0 | 800 | ISO 898-1 |
| P-FLG-M20x60-10.9-ZP | M20 | 60 | 2.5 | Carbon Steel | 10.9 | Zinc Plated | 9.0 | 36.0 | 1000 | ISO 898-1 |
| P-FLG-M6x30-A4-80-SS | M6 | 30 | 1.0 | Stainless Steel A4-80 | A4-80 | None | 2.5 | 13.5 | 800 | ISO 898-1 |