I ship hex flange bolts built for extreme reliability in heavy machinery and structural assemblies. When you need a secure grip and a clean finish, these bolts stand out. I offer {Custom} options—thread pitch, length, head style, coatings (zinc, black oxide, stainless)—to fit your specifics. Designed with a hex head and integrated flange, they distribute load and reduce the need for washers, saving assembly time in busy {Factories} and production lines. Made from high-grade alloy steel, tempered for strength, and corrosion-resistant, they perform in aerospace, automotive, and construction environments. I stock a wide range of sizes and can do bulk orders with fast lead times. If you want consistent quality, traceability, and reduced maintenance, these hex flange bolts are my go-to solution for {Custom} projects in {Factories} worldwide.
Hex flange bolts offer a hex head with a built-in flange for even load distribution, eliminating separate washers and ensuring a flush seal. Industry-leading factories rely on hot-forge or cold-heading, automated lines, and precise heat treatment to deliver consistent strength and dimensional accuracy. They provide a range of materials (carbon steel, stainless steel) and finishes (zinc, black oxide, galvanizing, passivation) and produce to ISO and ASTM standards. With robust traceability, QA labs, and ISO 9001, they scale from prototyping to mass production while meeting demanding specs, giving buyers reliable supply and clear documentation. Global buyers should evaluate suppliers by material certificates, test data, surface treatment compatibility, and RoHS/REACH compliance. Request first-article inspection reports, CP/Cpk data, and tensile/hardness specs. Confirm lead times, minimum order quantities, packing requirements, and labeling. Check logistics options, inventory programs, and after-sales support. Partnering with a seasoned factory provides a resilient supply chain for critical assemblies, ensuring quality, compliance, and efficiency across projects.
| Size | Length (mm) | Pitch (mm) | Material | Grade | Coating | Flange Ø (mm) | Head Height (mm) | Standard | Origin | Production Year |
|---|---|---|---|---|---|---|---|---|---|---|
| M6 | 25 | 1.0 | Carbon Steel | 8.8 | Zinc Plated | 12 | 2.4 | DIN 6921 | China | 2023 |
| M8 | 40 | 1.25 | Stainless Steel | A2-70 | Zinc Plated | 13 | 2.9 | ISO 4014 | China | 2023 |
| M10 | 50 | 1.5 | Carbon Steel | 10.9 | Hot-Dip Galvanized | 16 | 3.2 | DIN 6921 | USA | 2024 |
| M12 | 60 | 1.75 | Stainless Steel | A4-80 | Black Oxide | 20 | 3.6 | ISO 4014 | Germany | 2022 |
| M6 | 30 | 1.0 | Stainless Steel | A2-70 | Zinc Plated | 11 | 2.2 | ISO 4014 | Japan | 2025 |
| M16 | 80 | 2.0 | Carbon Steel | 8.8 | Hot-Dip Galvanized | 28 | 5.0 | DIN 6921 | Italy | 2023 |
| M20 | 100 | 2.5 | Carbon Steel | 10.9 | Zinc Plated | 40 | 6.0 | ISO 4014 | China | 2024 |
| M10 | 30 | 1.5 | Stainless Steel | A4-80 | Hot-Dip Galvanized | 18 | 3.1 | DIN 6921 | China | 2022 |
| M12 | 40 | 1.75 | Stainless Steel | A2-70 | Black Oxide | 20 | 3.3 | ISO 4014 | USA | 2024 |
| M8 | 60 | 1.25 | Carbon Steel | 8.8 | Zinc Plated | 14 | 2.7 | DIN 6921 | Germany | 2023 |
| M6 | 40 | 1.0 | Carbon Steel | 8.8 | Plain | 11 | 2.2 | ISO 4014 | India | 2021 |
| M14 | 70 | 2.0 | Carbon Steel | 8.8 | Zinc Plated | 24 | 4.6 | ISO 4014 | China | 2020 |