Rust-free screws Fine Phosphate [Achieved 1000 hours in salt spray test]

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last updated：Mar 28, 2024

ケーエム精工

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A rust-free screw that has achieved 1000 hours of salt spray testing! It thoroughly protects the screw's surface from corrosion causes!

SUS410 screws have the disadvantage of being difficult to form an oxidation-resistant coating on their surface due to the low amount of chromium in the material and the reduction of chromium in the surface hardening layer caused by heat treatment. KM Seiko has developed Fine Passivation, which forms a dense oxidation-resistant coating even on SUS410. 【Features】 ■ The material is standard SUS410, so strength and physical properties are the same as before. ■ Achieved 1000 hours in salt spray testing without special coating treatment (tested and confirmed at the Osaka Prefectural Institute of Industrial Technology). ■ Thorough quality control with in-house passivation treatment equipment. *For more details, please request materials or view the PDF data available for download.

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【Features】 ○ The material is standard SUS410, so the strength and physical properties are the same as before. ○ Achieved 1000 hours in salt spray testing without special coating treatment (tested and confirmed at the Osaka Prefectural Institute of Industrial Technology). ○ Thorough quality control with in-house passivation treatment equipment. ● For more details, please contact us or download the catalog.