ATORN screw tap HSSE C DIN 371 40° UNC 1/4 in 20 2B S 2.5xD CNC conv. P - Screw tap, HSSE UNC 2B 40° (right) 371 similar to C

ATORN screw tap HSSE C DIN 371 40° UNC 1/4 in 20 2B S 2.5xD CNC conv. P - Screw tap, HSSE UNC 2B 40° (right) 371 similar to C - 1

ATORN screw tap HSSE C DIN 371 40° UNC 1/4 in 20 2B S 2.5xD CNC conv. P

Name: ATORN screw tap HSSE C DIN 371 40° UNC 1/4 in 20 2B S 2.5xD CNC conv. P
Brand: ATORN
SKU: 13348090

Brand: ATORN

Surface: Vaporised

Length: 80 mm

DIN: 371 similar

Art.-no. 13348090

Manufacturer article no. 10471029

EAN 4050293020526

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ATORN screw tap HSSE C DIN 371 40° UNC 1/4 in 20 2B S 2.5xD CNC conv. P

Art.-no. 13348090

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Application

For producing UNC (Unified Coarse) threads on CNC machines or conventional machines in blind holes in the steel, (stainless steel), non-ferrous metals and (cast iron) material groups up to a strength of 1000 N/mm².

Execution

With reinforced shank

Advantage

Long service life and high process reliability thanks to innovative cutting geometry, and universal use for maximum flexibility in use.

Product information

HAHN+KOLB Catalogue

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Certificates/ Documents

Brand	ATORN
Main EAN Code	4050293020526
Manufacturer Part Number	10471029
Type	P MAX 1000
Thread type	UNC
Thread type x nominal diameter in inches	UNC 1/4 in
Number of thread starts per inch	20
Hole type	Blind hole ≤ 2.5xD
Cutting material	HSSE
Surface	Vaporised
Lead angle shape	C
Tolerance of screw taps (Tol.)	2B
Twist angle	40° (right)
Shank diameter	7 mm
Application type/machine type	CNC Conventional
Core hole diameter	5.1 mm
Coolant supply	External
Length	80 mm
Shank square	5.5 mm
Cutting speed (steel 1000) suitability (ISO P 1000 N/mm²)	1
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)	2
Cutting speed (hard 55) suitability (ISO H 55HRC)	3
Cutting speed (hard 65) suitability (ISO H 65HRC)	3
DIN	371 similar
Gross Weight	0.022 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	PVC, Acrylglas	<100		10-20	⚫
3.07 Thermoplastic	Cu Zn 39 Pb 3	<600	2.0381	10-25	⚫
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	⚪