Ferg Threading Taps DL144

Threading Taps

Machine tap with 38º right-hand spiral flutes, driving the chips to the back,
      increased flute length.      Threaded length: 10 threads.
Starting from the 5th thread, back tapered thread portion to reduce friction
      and improve swarf clearance.
Chamfer lead 2.5 threads (DIN-Form C).      Rake angle 14º÷16º.

≤ 2 x d₁

DIN 371	DIN 376 - 374 - 5156	COATING
DL144A	DL144	Diamond-like carbon	High speed steel class E with 3% vanadium 1.3344 (EMo5V3) (M-3/2)	Machine tap with 38° right- hand spiral flutes, driving the chips to the back
AC144A	AC144	AlCrN coating (Aluminium Chrome Nitride)		Form C (chamfer lead 2-3 threads)
144A	144	Bright (without Coating or without Surface treatment)

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