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         Hot Dipped Galvanized Nails  
 
   
   
   
   
   
  There are four major processes for applying zinc to steel nails.
Hot Dipping in Molten Zinc
Tumbler or Barrel Hot Galvanizing
Mechanical Plating
Electro-Plating
   
Hot Dipping in Molten Zinc
  Hot dipping nails in Molten Zinc is acknowledged by most authorities as the best way to apply a heavy uniform coating to nails. In this process, the nails are completely immersed into a vat of molten zinc, similar to french-frying potatoes. This not only gives an outer coating of pure zinc, but also provides a tenacious inner coating of zinc-steel alloy.
Our galvanized nails are further protected by a second dip into the protective zinc to preclude pinholes or imperfections – and to increase the amount of zinc on every nail.
This exclusive processing by completely automated equipment insures both a heavy, uniform zinc coating and clean threads for high holding power.
   
Tumbler or Barrel Hot Galvanizing
  Hot-Galvanized nails (Tumble or Barrel Process) are the type most often produced by big steel mills. Unfortunately, the term “hot-galvanized” nails is confused by many people with "hot-dipped" nails. But "hot-galvanized" nails are not dipped and do not offer the same performance as do hot-dipped nails.
Hot-galvanized nails are coated by sprinkling zinc chips on cold steel nails in a barrel, then rotating the hot barrel in a furnace to melt and distribute the zinc. The melting zinc washes off on the nails – somewhat like buttering popcorn – and in the same way some nails receive excess zinc and some very little.
One difficulty is that the threads of ring and screw shank nails tend to fill up with zinc during this process. Also, it is difficult to deposit enough zinc on top of and under the nail heads.
   
Mechanical Plating
  Mechanical plated nails, also called peen plated nails, are a relatively new development involving rolling cold nails around in a barrel with zinc dust, tiny glass “BB’s” and an activator fluid.
The barrel rotates and the BB’s hammer or peen the zinc dust onto the nails. Again, the result is relatively clean threads but normally only a thin deposit of zinc which is further buttressed by immersion in a chromate rinse.
   
Electro-Plating
  Electro-plating of nails is performed by placing them in a basket into an electrolytic solution so that a thin film of zinc is deposited by an electrical current from zinc anodes onto the surface of the nails.
Although electroplated nails are beautiful and shiny, it is not feasible economically to build up a heavy enough coating to make this type of nail dependably corrosion-resistant for outdoor use.
The thin zinc coating soon oxidizes away so that electro-plated nails normally rust quickly upon exposure to the weather… just ask any experienced siding applicator. In short, plated nails have good holding power from clean threads, but they do not have the heavy zinc coating needed to avoid rusting and staining.
  DIN 1151 H.D.Galv. Nails, grey color, Flat Head, Chequered Head
 3.1mm X 65mm
 3.1mm X 80mm
 3.4mm X 90mm
 3.8mm X 100mm
 4.2mm X 120mm
 5.5mm X 160mm
  DIN 1160 H.D.Galv. Nails, grey color, Large Head
 3.1mm X 65mm
 3.1mm X 80mm
   
 
 
 
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