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Metric Class 10.9 Hex Flange Bolt, JIS B1189 Type 2, Zinc CR+3
Our Metric Class 10.9 Hex Flange Bolts manufactured to JIS B1189 Type 2 with Zinc CR+3 finish are high‑strength fasteners engineered for demanding automotive, industrial, and mechanical applications. Produced from alloy steel and heat‑treated to Class 10.9 specifications, these bolts deliver excellent tensile strength, high clamp load, and reliable durability under vibration and dynamic loading.
The JIS B1189 Type 2 design features a hex head with an integrated flange that provides increased bearing surface and improved load distribution without the need for a separate washer. This design enhances joint stability and installation efficiency. The Zinc CR+3 (trivalent chromium) plating offers improved corrosion resistance and a clean, bright appearance, making these bolts suitable for indoor and light‑to‑moderate outdoor environments.
Designed for performance and consistency, JIS B1189 Type 2 Class 10.9 Hex Flange Bolts with Zinc CR+3 are commonly used in automotive assemblies, machinery, equipment manufacturing, frames, brackets, and industrial installations. The integrated flange helps resist loosening and protects mating surfaces, while the zinc finish extends service life without compromising thread accuracy. Available in a wide range of metric diameters and lengths, these bolts provide dependable, high‑strength fastening for OEM production, maintenance, and repair operations.
