ATORN countersink, 90°, HSS, T=3, 31.0 x 71 mm, 3-flat shank

Name: ATORN countersink, 90°, HSS, T=3, 31.0 x 71 mm, 3-flat shank
Brand: ATORN
SKU: 11501561

Brand: ATORN

Surface: Uncoated

Length: 71 mm

Art.-no. 11501561

Manufacturer article no. 12030049

EAN 4050293344998

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ATORN countersink, 90°, HSS, T=3, 31.0 x 71 mm, 3-flat shank

Art.-no. 11501561

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Application

For producing 90° counterbores up to 1000 N/mm².

Execution

profile-ground triple-edge countersink with three-edge shank with radial relief

Advantage

radial relief ensures optimum chip breaking
three-edge shank ensures excellent power transmission in the chuck

Product information

HAHN+KOLB Catalogue

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Certificates/ Documents

Brand	ATORN
Main EAN Code	4050293344998
Manufacturer Part Number	12030049
Countersink angle	90 Degree
Cutting material	HSS
Surface	Uncoated
Number of cutting edges	3 PCS
Tool holding device	Parallel shank with three tightening surfaces
Spot-facer diameter	31 mm
Tip diameter	4.2 mm
Shank diameter	12 mm
Length	71 mm
f steel 700	0.21 mm/r
Gross Weight	0.109 kg

Material groups for cutting values	Description regarding DIN	Strength Class [N/mm²]	Material No.	Vc [m/min]	f [mm/r] with diameter	Suitability
1.00 Steels
1.01 Free machining steel	9 S 20	< 900	1.0711	25-35	0.18-0.25	⚫
1.02 Structural steel	ST 37-2	<500	1.0037	25-35	0.18-0.25	⚫
1.03 Structural steel	ST 60-2	> 500	1.7735	25-30	0.18-0.25	⚫
1.04 Heat-treated steel	42 CrMo 4	<1000	1.7225	25-30	0.18-0.25	⚪
1.05 Cast iron	GS-45	<1000	1.0446	15-20	0.14-0.18	⚪
1.06 Case-hardened steel	16 MnCr 5	<1200	1.7131	8-20	0.14-0.18	⚪
1.07 Ferritic/martensitic stainless steel	X 10 Cr 13	<1100	1.4006	5-12	0.14-0.18	⚪
1.08 Heat-treated steel	43 CrMo 4	>1000	1.3563	5-10	0.14-0.18	⚪
1.09 Nitriding steel	31 CrMoV 9	<1300	1.8519	8-17	0.14-0.18	⚪
1.10 Tool steel	X 38 CrMoV 5 1	<1300	1.2343	3-10	0.14-0.18	⚪
2.00 Stainless steels
2.01 Austenitic stainless steel	G-X 2 CrNiMo 18 15	<1100	1.3953	3-12	0.14-0.18
3.00 Non-ferrous metals
3.01 Long-chipping aluminium	AI99.9	<500	3.0305	50-90	0.26-0.3	⚫
3.02 Short-chipping aluminium	G-AISi12	<500	3.2581	25-60	0.26-0.3	⚫
3.03 Copper alloy bronze, long-chipping	CuSn4	<1200	2.1016	25-45	0.18-0.25	⚫
3.04 Copper alloy bronze, short-chipping	CuNi12Zn24	<850	2.0730	25-50	0.18-0.25	⚫
3.05 Copper alloy brass, long-chipping	Cu Zn 20	<600	2.0250	40-80	0.26-0.3	⚫
3.07 Thermoplastic	Cu Zn 39 Pb 3	<600	2.0381	40-80	0.26-0.3	⚫
3.07 Thermoplastic	PVC, Acrylglas	<100		15-50	0.26-0.3	⚫
3.08 Duroplast	Bakelit, Melamin	<150		15-50	0.26-0.3	⚫
3.09 Fibre-reinforced plastics	CFK, GFK	<1500		-	-
3.10 Graphite	C8000	<60		15-25	0.26-0.3
3.11 Composite materials				-	-
4.00 Cast metal
4.01 Grey cast iron	GG10	<260 HB	0.6010	10-20	0.18-0.25	⚪
4.02 Spheroidal graphite iron	GGG 40	<310 HB	0.7040	10-20	0.18-0.25	⚪
4.03 Ductile iron	GTW-55	<280 HB	0.8055	10-20	0.18-0.25	⚪
5.00 Special alloys
5.01 Titanium alloy	TiAI5Sn2,5	<1200	3.7115	4-12	0.11-0.12
5.02 Nickel-based alloy	NiCr21Mo	<1400	2.4858	2-6	0.11-0.12
5.03 Super alloys	X45CrSi 9 3	<1400	1.4718	2-6	0.11-0.12