ATORN screw tap HSSE C 376 15° M20 2.5 mm ISO2 S 2.5xD CNC conv. N

Name: ATORN screw tap HSSE C 376 15° M20 2.5 mm ISO2 S 2.5xD CNC conv. N
Brand: ATORN
SKU: 13254200

Brand: ATORN

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Art.-no. 13254200

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Application

For producing metric threads on CNC or conventional machines in through holes in the non-ferrous metals material group.

Execution

structural dimensions in accordance with: DIN 371 = reinforced shank (up to M10), DIN 376 = over-long shank (from M12)

Advantage

innovative cutting geometry with interrupted thread reduces torque, improves lubricant distribution and ensures extremely good process reliability and chip removal
specialised application with optimised chip geometry, for use in non-ferrous metals with adhesive or lubricating properties

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Brand	ATORN
Main EAN Code	4050293189650
Manufacturer Part Number	10479472
Type	N MAX Control
Thread type	Metric thread
Thread type x nominal diameter	M20
Pitch	2.5 mm
Hole type	Blind hole ≤ 2.5xD
Cutting material	HSSE
Surface	Uncoated
Lead angle shape	C
Tolerance of screw taps (Tol.)	ISO 2 (6H)
Twist angle	15° (right)
Shank diameter	16 mm
Application type/machine type	CNC Conventional
Core hole diameter	17.5 mm
Coolant supply	External
Length	140 mm
Shank square	12 mm
Cutting speed (steel 1000) suitability (ISO P 1000 N/mm²)	3
Cutting speed (steel 1300) suitability (ISO P 1300 N/mm²)	3
Overall stainless steel suitability (ISO M)	3
fitness not iron total (ISO N)	1
fitness Titan/Nickel/Super total (ISO S)	3
Cutting speed (cast) suitability (ISO K)	3
Cutting speed (hard 55) suitability (ISO H 55HRC)	3
Cutting speed (hard 65) suitability (ISO H 65HRC)	3
DIN	376
Gross Weight	0.215 kg

Material groups for cutting values	Description regarding DIN	Strength Class [N/mm²]	Material No.	Vc [m/min]	Suitability
1.00 Steels
1.01 Free machining steel	9 S 20	< 900	1.0711	10-18	⚪
1.02 Structural steel	ST 37-2	<500	1.0037	10-18	⚪
1.03 Structural steel	ST 60-2	> 500	1.7735	10-15	⚪
1.04 Heat-treated steel	42 CrMo 4	<1000	1.7225	8-12
1.05 Cast iron	GS-45	<1000	1.0446	8-12
1.06 Case-hardened steel	16 MnCr 5	<1200	1.7131	8-12
1.07 Ferritic/martensitic stainless steel	X 10 Cr 13	<1100	1.4006	6-8
1.08 Heat-treated steel	43 CrMo 4	>1000	1.3563	8-12
1.09 Nitriding steel	31 CrMoV 9	<1300	1.8519	8-12
1.10 Tool steel	X 38 CrMoV 5 1	<1300	1.2343	6-12
2.00 Stainless steels
2.01 Austenitic stainless steel	G-X 2 CrNiMo 18 15	<1100	1.3953	6-8
3.00 Non-ferrous metals
3.01 Long-chipping aluminium	AI99.9	<500	3.0305	15-25	⚫
3.02 Short-chipping aluminium	G-AISi12	<500	3.2581	15-20	⚫
3.03 Copper alloy bronze, long-chipping	CuSn4	<1200	2.1016	10-20	⚫
3.04 Copper alloy bronze, short-chipping	CuNi12Zn24	<850	2.0730	10-20	⚫
3.05 Copper alloy brass, long-chipping	Cu Zn 20	<600	2.0250	10-25	⚫
3.07 Thermoplastic	Cu Zn 39 Pb 3	<600	2.0381	10-25	⚫
3.07 Thermoplastic	PVC, Acrylglas	<100		10-20	⚫
3.08 Duroplast	Bakelit, Melamin	<150		8-15	⚫
3.09 Fibre-reinforced plastics	CFK, GFK	<1500		5-12
3.10 Graphite	C8000	<60		15-25
3.11 Composite materials				5-12
4.00 Cast metal
4.01 Grey cast iron	GG10	<260 HB	0.6010	15-20
4.02 Spheroidal graphite iron	GGG 40	<310 HB	0.7040	12-20
4.03 Ductile iron	GTW-55	<280 HB	0.8055	12-18