Technical Information

1. Pitch Dimension
   
   

   Imperial Series	Metric Series
   UN-Constant Pitch	Coarse Thread or
   UNC-Coarse Thread	Fine Thread
   UNF-Fine Thread
   UNEF-Extra Fine Thread

   
   
2. Thread Length Standard
   DIN 931 - Half Thread
   DIN 933 - Full Thread
   
   
3. ABN Trademark