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 Machine Taps
 
 


  

    Steels with good machinability
    Rm < 750 N/mm² (101,500 PSI)
    Nodular graphite, Malleable cast iron



104A 104
T104A T104
L104A L104

   Machine tap with spiral point, driving the chips ahead.
   4-5 thread chamfer lead (DIN-Form B).
   Rake angle 12°÷14°measured in the 3rd thread.

   L104A/L104: Total Length double as DIN standard




150A

   Machine tap with spiral point, fluteless tap,
      driving the chips ahead.
   4-5 thread chamfer lead (DIN-Form B).
   Rake angle 15°÷17°measured in the 3rd thread.




151A

   Machine tap with spiral point and coolant grooves,
      driving the chips ahead.
   4-5 thread chamfer lead (DIN-Form B).
   Rake angle 15°÷17°measured in the 3rd thread.




109A 109

   Machine tap with 12° left-hand spiral flutes,
      driving the chips ahead.
   4-5 thread chamfer lead (DIN-Form D).
   Rake angle 12°÷14°.




105A 105

   Machine tap with straight flutes,
   2.5 thread chamfer lead (DIN-Form C).
   Rake angle 12°÷14°.




135
V135
T135

   Machine tap with straight flutes,
   2.5 thread chamfer lead (DIN-Form C).
   Rake angle 12°÷14°.




110A 110
T110A T110

   Machine tap with 15° right-hand spiral flutes,
      driving the chips to the back.
   3.5 thread chamfer lead (DIN-Form D).
   Rake angle 12°÷14°.




112A 112
T112A T112
L112A L112

   Machine tap with 38° right-hand spiral flutes,
      driving the chips to the back.
   Threaded length: 10 threads.
   Starting from the 5th thread, back tapered thread portion
      to reduce friction and improve swarf clearance.
   2.5 thread chamfer lead (DIN-Form C).
   Rake angle 12°÷14°.

   L112A/L112: Total Length double as DIN standard





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