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Metric Class 10.9 Hex Flange Bolt, Non Serrated, DIN 6921, Plain
Our Metric Class 10.9 Hex Flange Bolts manufactured to DIN 6921 with a non‑serrated flange and plain finish are high‑strength fasteners engineered for demanding mechanical, automotive, and industrial applications. Produced from alloy steel and heat‑treated to Class 10.9 specifications, these bolts provide superior tensile strength, high clamp load, and excellent durability for critical load‑bearing assemblies.
The non‑serrated flange acts as an integrated washer, evenly distributing load across the mating surface without biting or damaging it. This makes these bolts ideal for applications where surface protection, controlled torque values, and reusability are important. The plain, uncoated finish preserves full material integrity and is well suited for controlled environments or applications where additional coatings or finishes may be applied after installation.
Designed for consistent performance and clean installation, DIN 6921 Class 10.9 Non‑Serrated Hex Flange Bolts are commonly used in machinery, equipment manufacturing, automotive assemblies, structural brackets, and industrial installations. The integrated flange eliminates the need for a separate washer while maintaining stable load distribution and joint integrity. Available in a wide range of metric diameters and lengths, these plain‑finish bolts deliver dependable strength and precision for OEM production, maintenance, and repair operations.
