Ferg Threading Taps G T171, T173, T175, A171, A173, A175

Threading Taps
Whitworth pipe thread DIN EN ISO 228

Any material with at least 12% elongation (cold forming)						171-173 High speed steel class E with 3% vanadium 1.3344 (EMo5V3) (M-3/2) 175 Special High speed steel class E with vanadium		T171 2540017110	W124 2540017112	T173 2540017310	A173 2540017312	T175 2540017510	A175 2540017512
						HOLE		≤ 3 x d₁ Blind and through hole	≤ 3 x d₁ Blind and through hole	≤ 3 x d₁ Blind and through hole	≤ 3 x d₁ Blind and through hole	≤ 3 x d₁ Blind and through hole	≤ 3 x d₁ Blind and through hole
						Chamfer lead acc. to DIN 2197		C = 2.5xP	C = 2.5xP	C = 2.5xP	C = 2.5xP	C = 2.5xP	C = 2.5xP
						LIMIT		m	m	m	m	m	m
						COATING		TiN coating (Titanium nitride)	TiAlN coating (Titanium Aluminium Nitride)	TiN coating (Titanium nitride)	TiAlN coating (Titanium Aluminium Nitride)	TiN coating (Titanium nitride)	TiAlN coating (Titanium Aluminium Nitride)
						DIN		5156	5156	5156	5156	5156	5156
						ORDER No. EDP = Nr.+ ★		2540017110* T171	2540017112* A171	2540017310* T173	2540017312* A173	2540017510* T175	2540017512* A175
l₁ mm	l₂ mm	d₂ mm	a mm	mm	d₁	P h/1"	★

								Z	Z	Z	Z	Z	Z
90	16	6	4.9	6.8	G 1/16	28	006	5	5	5	5	5	5
90	16	7	5.5	8.8	G 1/8	28	012	5 ■	5 ■	5 ■	5 ■	5 ■	5 ■
100	22	11	9	11.8	G 1/4	19	025	6 ■	6 ■	6 ■	6 ■	6 ■	6 ■
100	22	12	9	15.25	G 3/8	19	037	6 ■	6 ■	6 ■	6 ■	6 ■	6 ■
125	25	16	12	19	G 1/2	14	050	8 ■	8 ■	8 ■	8 ■	8	8
125	25	18	14.5	21	G 5/8	14	062	8	8	8	8	8	8
140	28	20	16	24.5	G 3/4	14	075	8 ■	8 ■	8 ■	8 ■	8	8
150	28	22	18	28.25	G 7/8	14	087	8	8	8	8	8	8
160	30	25	20	30.75	G 1	11	100	8	8	8	8	8	8
		■ = Stock			EDP: T171 G 1/4 = 2540017102510

We reserve the right to make technical changes.