ATORN SC auto mach reamer T=6 B 7-8° 8.0mm H7 x 71 x 25mm HA DIN 8089

Name: ATORN SC auto mach reamer T=6 B 7-8° 8.0mm H7 x 71 x 25mm HA DIN 8089
Brand: ATORN
SKU: 11772680

Brand: ATORN

Surface: Uncoated

Length: 71 mm

DIN: 8089 similar

Art.-no. 11772680

Manufacturer article no. 10049190

EAN 4050293010701

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ATORN SC auto mach reamer T=6 B 7-8° 8.0mm H7 x 71 x 25mm HA DIN 8089

Art.-no. 11772680

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Application

For cutting H7 fit tolerances in through holes on automated machines and NC machines up to 1300 N/mm².

Execution

7-8° left-hand spiral and variable pitch, type B

Advantage

good bore hole quality (dimensional tolerance, roundness, surface quality)
short design ensures good accessibility in cramped spaces and stable cutting conditions

Product information

HAHN+KOLB Catalogue

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Certificates/ Documents

Brand	ATORN
Main EAN Code	4050293010701
Manufacturer Part Number	10049190
Cutting edge diameter	8 mm
Tolerance of fit	H7
Suitable for through hole	Yes
Suitable for blind hole	No
Form	C
Groove type	Left-hand twist, 7-8°
Number of cutting edges	6 PCS
Surface	Uncoated
Cutting material	SC
Length	71 mm
Shank diameter	6.3 mm
DIN	8089 similar
Gross Weight	0.035 kg

Material groups for cutting values	Description regarding DIN	Strength Class [N/mm²]	Material No.	Vc [m/min]	f [mm/U]	Suitability
1.00 Steels
1.01 Free machining steel	9 S 20	< 900	1.0711	25-30	0.18	⚫
1.02 Structural steel	ST 37-2	<500	1.0037	22-25	0.18	⚫
1.03 Structural steel	ST 60-2	> 500	1.7735	22-25	0.18	⚫
1.04 Heat-treated steel	42 CrMo 4	<1000	1.7225	20-25	0.18	⚫
1.05 Cast iron	GS-45	<1000	1.0446	25-30	0.18	⚫
1.06 Case-hardened steel	16 MnCr 5	<1200	1.7131	15-20	0.18	⚫
1.07 Ferritic/martensitic stainless steel	X 10 Cr 13	<1100	1.4006	10-15	0.1	⚫
1.08 Heat-treated steel	43 CrMo 4	>1000	1.3563	15-20	0.1	⚫
1.09 Nitriding steel	31 CrMoV 9	<1300	1.8519	15-20	0.1	⚫
1.10 Tool steel	X 38 CrMoV 5 1	<1300	1.2343	10-12	0.18	⚫
2.00 Stainless steels
2.01 Austenitic stainless steel	G-X 2 CrNiMo 18 15	<1100	1.3953	10-15	0.1	⚪
3.00 Non-ferrous metals
3.01 Long-chipping aluminium	AI99.9	<500	3.0305	20-60	0.2	⚫
3.02 Short-chipping aluminium	G-AISi12	<500	3.2581	20-40	0.2	⚫
3.03 Copper alloy bronze, long-chipping	CuSn4	<1200	2.1016	20-40	0.2	⚫
3.04 Copper alloy bronze, short-chipping	CuNi12Zn24	<850	2.0730	20-30	0.2	⚫
3.05 Copper alloy brass, long-chipping	Cu Zn 20	<600	2.0250	20-50	0.2	⚫
3.07 Thermoplastic	PVC, Acrylglas	<100		20-50	0.25	⚪
3.07 Thermoplastic	Cu Zn 39 Pb 3	<600	2.0381	20-40	0.2	⚫
3.08 Duroplast	Bakelit, Melamin	<150		15-35	0.25	⚪
3.09 Fibre-reinforced plastics	CFK, GFK	<1500		-
3.10 Graphite	C8000	<60		-
3.11 Composite materials				-
4.00 Cast metal
4.01 Grey cast iron	GG10	<260 HB	0.6010	25-30	0.18	⚫
4.02 Spheroidal graphite iron	GGG 40	<310 HB	0.7040	20-25	0.18	⚫
4.03 Ductile iron	GTW-55	<280 HB	0.8055	20-25	0.18	⚫
5.00 Special alloys
5.01 Titanium alloy	TiAI5Sn2,5	<1200	3.7115	7-12	0.1	⚫
5.02 Nickel-based alloy	NiCr21Mo	<1400	2.4858	7-12	0.1	⚫
5.03 Super alloys	X45CrSi 9 3	<1400	1.4718	7-12	0.1	⚪