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  • Used to secure wood together.
  • Usually made of unhardened steel, stainless steel, aluminum or brass.
  • Steel screws can have a choice of several coatings: bright-finished, blued, or zinc-, cadmium- or chrome-plated.
  • Threads on this screw run from the point along three-fourths of the length and heads are slotted.
 
 
 

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