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Tap Selection Guide and Cutting Speed Recommendations

		Hole Type(4)			Tap Color Code(1)
					Tool Material(1)
.					Surface Treatmen Flute Hand and A	t/Coating(2) ngle
No					Lead According t	o DIN 2197(3)
rial 1	2	3	4	5	Hole	Type(4)
Mate Material		Condition	Tensile Strength [N/mm2]	Hardness HB	Chip	Coolant
1	< 0.25 %C	Annealed	420	125	Ext. Long	T
2	>= 0.25 %C	Annealed	650	190	Medium	T
Non-alloy steel 3	< 0.55 %C	Quench and tempered	850	250	Long	T
and cast steel, 4	>= 0.55 %C	Annealed	750	220	Long	T
free cutting steel 7			930	275	Long	X
8		Quench and tempered	1000	300	Long	X
9			1200	350	Long	A
10 Non-alloy steel an	d cast	Annealed	680	200	Long	X
steel, free cutting 11	steel	Quench and tempered	1100	325	Long	X
12		Ferritic/Martensitis	680	200	Medium	A
Stainless steel 13		Martensitic	820	240	Long	A
14 Stainless steel		Austenitic	600	180	Long	A
15		Ferritic/pearlitic		180	Ext. Short	X
Grey cast iron (G 16	)	Pearlitic		260	Ext. Short	X
17 Ct i dl	GGG	Ferritic		160	Short	X
as ron nouar 18	()	Pearlitic		250	Ext. Short	X
19 Mllbl i		Ferritic		130	Short	X
aeae cast ro 20	n	Pearlitic		230	Short	X
21 Ali	t ll	Not cureable		60	Medium	T
umnum-wroug 22	aoy	Cured		100	Medium	T
23		Not cureable		75	Short	T
Aluminum- t lld 24		Cured		90	Short	T
cas, aoye 25	>12% Si	High temp.		130	Short	T
26	>1% Pb	Free cutting		110	Med/Short	T
Copper alloys 27		Brass		90	Long	T
28		Electrolitic copper		100	Long	T
29 Non-metalic		Duroplastics,fiberplastics			Short	Z
31 Hih ll	F bd	Annealed		200	Long	A
g temp. aoys 32	e ase	Cured		280	Long	A
33		Annealed		250	Long	A
Super alloys 34	Ni or Co based	Cured		350	Long	A
35		Cast		250	Long	A
36 Titanium and Ti al 37	loys	Alpha+beta alloys cured	400 1050		Med/Short Med/Short	A A

(1) See page 348		Coolant
(2) See page 362	A - Cutting oil
(3) See page 363	T - Oil emulsion
(4) See page 363	X - Oil or emulsion

Z - Dry or emulsion

Каталог Iscar высокоточные развертки и метчики 2022 - страница 36

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Tap Selection Guide and Cutting Speed Recommendations

Каталог Iscar высокоточные развертки и метчики 2022 - страница 36

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Tap Selection Guide and Cutting Speed Recommendations

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