Water supply and gas fitting parts "Insulation Bolt Type TS"

Tomoe's insulating bolts demonstrate their power in joining various dissimilar metals!

When dissimilar metals are joined together in the ground, a potential difference occurs between them, and current flows through the bolts, causing the less noble metal to corrode. By using Tomoe's "Insulated Bolts and Nuts," the areas between flanges and between flanges and bolts/nuts are electrically insulated, preventing electrolytic corrosion. Stainless steel is treated with a dry seizure (galling) prevention coating called "TOM Coat" on the threaded parts of the nuts. Additionally, various steel types can be treated upon request. If you are experiencing issues with galling, not limited to insulated bolts, please consult us. 【Features】 - Uses epoxy resin boards with glass cloth and PTFE sleeves or FEP shrink tubes → Provides high insulation resistance and excellent weather resistance and mechanical strength - Bolt and nut materials include stainless steel, ordinary steel, and high-tensile steel → Can be selected according to application - The outer diameter of the insulating sleeve is almost equal to the outer diameter of the screw → No need to process the bolt hole diameter of the flange - Uses sleeves instead of paint as insulating material → No peeling and no pinhole issues - Made to order, allowing for production in desired dimensions For more details, please contact us or download the catalog.

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