Japan launched a rust-proof film-enhanced version of the "14.9-class super-strength hexagon bolt" from a good manufacturer.
2020-02-08 14:06:17
At the beginning of this year, the media reported that the producers and the Dongdong Production Co., Ltd. jointly developed the "14.9-class super-strength hexagon bolt". Recently, the manufacturer finally re-sold the Delta Protekt® anti-rust coating on the bolt. Sold. The product has a uniform coating distribution (10 to 15 μ film thickness) with a high strength of 1,400 N/mm 2 and a long life of 1,000 hours of salt spray resistance. The diameter of the stock includes four types: M6, M8, M10, M12.
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