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 Hand
 Serial Taps

 
 


  

    Stainless steels and structural steels
    Rm < 1,000 N/mm²
       ( <30 HRC / <290 HB / <145,000 PSI )


 V108/1

   Handtap No. 1 with pilot guide, to assure
   the concentric start at manual threading.
   Tapping only 3-4 threads is enough.
   3 thread chamfer lead.
   Rake angle 6°÷8°.





 V108/2

   Handtap No. 2 with the same thread
   sizes as V108/1.
   3 thread chamfer lead.
   Rake angle 6°÷8°.





 V108/3

   Handtap No. 3 that finishes the thread to
   the required tolerance.
   Not suitable to use as single pass tap.
   3 thread chamfer lead.
   Rake angle 6°÷8°.





 V108   

   Handtap set consisting of 3 taps:
   V108 = V108/1 + V108/2 + V108/3.

   You must tap continuously, it means
   without stop and reversing the tap to
   break the chip.







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