130A	130
T130A	T130
H130A	H130

   Machine tap with spiral point, driving the chips ahead.
   Interrupted thread.
   4-5 thread chamfer lead (DIN-Form B).
   Rake angle 17°÷20°measured in the 3rd thread.

140A	140
T140A	T140
H140A	H140

   Machine tap with 45° right-hand spiral flutes,
      driving the chips to the back.
   2.5 thread chamfer lead (DIN-Form C).
   Rake angle 17°÷20°.