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It is a soft cap that covers the tip of the bolt.
● Just cover it, and it won't fall off. ● For safety measures, as a marker, for rust prevention. ● For detailed specifications and lineup, please download and view the catalog.
The outer cover will spin freely when attached to a bolt or nut, making it impossible to remove the bolt or nut.
This is an announcement about "Nut Keeper" from Takeda Pharmaceutical Company Limited.
Full corrosion protection with the power of ions! Our patented technology will revolutionize public buildings around the world!
Currently, the corrosion of bolts and nuts in public buildings is a significant issue. This document features 'Zinc Hat,' which supports the safety and security of fastening components used in various industrial societies. We provide detailed information, along with photos and diagrams, on topics such as "test results in outdoor exposure," "immersion tests with tap water," and "comparison tests with resin caps." We encourage you to read it. [Contents (excerpt)] ■ Schematic diagram ■ Cathodic protection method ■ Test results in outdoor exposure ■ Salt spray test report ■ Locations where Zinc Hat is currently being introduced *For more details, please refer to the PDF document or feel free to contact us.
