Ferg Threading Taps T630

Threading Taps

Machine tap with spiral point, driving the chips ahead.
Interrupted thread.
Chamfer lead 4-5 threads (DIN-Form B).
Rake angle 8º÷10º measured in the 3rd thread.

≤ 2 x d₁

DIN 371	DIN 376 - 374 - 5156	COATING
T630A	T630	TiN coating (Titanium nitride)	Special High speed steel class E with vanadium	Machine tap with spiral point, driving the chips ahead
A630A	A630	TiAlN coating (Titanium Aluminium Nitride)		Interrupted thread
AC630A	AC630	AlCrN coating (Aluminium Chrome Nitride)</t		Form B (with GUN-nose and chamfer lead 3.5-5 threads)
630A	630	Bright (without Coating or without Surface treatment)

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