Hot Dipped Galvanized Screw

Galvanizing offers an exceptional corrosion resistant zinc coating for steel fasteners. The process provides durability, long service life, and is economical in comparison to other coating options. Portland Bolt’s unique system developed specifically for threaded fasteners ensures quality threads and a trouble-free nut fit.

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Detailed Description for Hot Dipped Galvanized Screw

Galvanizing offers an exceptional corrosion resistant zinc coating for steel fasteners. The process provides durability, long service life, and is economical in comparison to other coating options. Portland Bolt’s unique system developed specifically for threaded fasteners ensures quality threads and a trouble-free nut fit.

  • Hot-dip galvanizing offers long-term protection for fasteners and other steel products.
  • Parts are evenly coated for complete coverage.
  • Expected service life can exceed 30 years.
  • Low life-cycle cost makes galvanizing an economical method of protecting steel.
  • Zinc bonds metallurgically to steel providing permanent protection.

 

  • Hot-Dip Galvanizing
  1. The coating process involves completely immersing the bolts in a tank containing 70 tons of 840°F molten zinc. The material will remain in the tank until the zinc has metallurgically bonded to the steel. This time varies depending on the diameter, steel grade, and a number of other factors.
  2. A crane lifts the material while the zinc is still liquid and a high-speed spinner functions like a centrifuge to remove the excess zinc from the threads. This produces the highest quality threads and trouble-free nut fit.

 


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