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 Machine Taps
 
 


  

    HSSE-H ( 8%Co )
    High alloyed steels
    Rm = 1,000 - 1,300 N/mm²
       ( 30 - 40 HRC / 300 - 385 HB /
        135,000 - 185,000 PSI )



641A 641
A641A A641
W641A W641

   Machine tap with spiral point, driving the chips ahead.
   4-5 thread chamfer lead (DIN-Form B).
   Rake angle 3° - 5°measured in the 3rd thread.




642A 642
A642A A642
W642A W642

   Machine tap with 25° right-hand spiral flutes.
   3.5 thread chamfer lead (DIN-Form D).
   Rake angle 3° - 5°.




A645

   ONLY FOR TAPERED THREADS.
   Machine tap with with straight flutes.
   2,5 thread chamfer lead (DIN-Form C).
   Rake angle 1° - 3°.





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