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Japanese Kyowa Rubber's Filler-free Rust Preventive Cap
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2022-02-14
A simple concept of shielding bolts and nuts brings the birth of a preventative cap named "Mamoru-kun". The installation is completed simply by screwing in the cap along the extra length of the bolt. High watertightness (IPX7 grade) prevents the bolt from rust and extends the life of infrastructure.
Made of polycarbonate, the cap has the same level of transparency as glass does, so visual inspection is possible without removing the cap, while providing strong weather resistance. It has passed the NAS3350 vibration test.
Kyowa Rubber
專用防護蓋
螺栓螺帽鏽蝕
preventative cap
Mamoru-kun
watertightness
防水
IPX7
