194A	194
T194A	T194
A194A	A194
H194A	H194

   Machine tap with spiral point, driving the chips ahead.
   4-5 thread chamfer lead (DIN-Form B).
   Rake angle 14°÷16°measured in the 3rd thread.

192A	192
T192A	T192
A192A	A192
H192A	H192

   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 14°÷16°.