ATORN stepped drill bit type N, HSSE medium quality grade M8 15.0 mm HA - Stepped drill bits, type N, HSSE medium quality grade

ATORN stepped drill bit type N, HSSE medium quality grade M8 15.0 mm HA - Stepped drill bits, type N, HSSE medium quality grade - 1

ATORN stepped drill bit type N, HSSE medium quality grade M8 15.0 mm HA

Name: ATORN stepped drill bit type N, HSSE medium quality grade M8 15.0 mm HA
Brand: ATORN
SKU: 11118008

Brand: ATORN

Surface: Uncoated

Length: 100 mm

Art.-no. 11118008

Manufacturer article no. 10440178

EAN 4050293013092

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ATORN stepped drill bit type N, HSSE medium quality grade M8 15.0 mm HA

Art.-no. 11118008

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Application

According to DIN/ISO 273 and countersinking according to DIN 74, for cylinder head screws according to DIN 912, 6912, 7984 and ISO 1207. Hole and countersink produced in one machining step.

Execution

profile-ground

Advantage

precise alignment of drill diameter and countersink diameter, lower process costs
Special geometry for outstanding centring and positional accuracy

Product information

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Brand	ATORN
Main EAN Code	4050293013092
Manufacturer Part Number	10440178
Cutting material	HSSE
Surface	Uncoated
Type	N
Angle of the tip	118 Degree
Tool holding device	HA parallel shank
Suitable for screw thread	M8
Pilot hole diameter (d1)	9 mm
Spot-facer diameter (d2)	15 mm
Pilot hole length (l3)	19 mm
Chip flute length (l2)	34 mm
Length (l1)	100 mm
Shank diameter	12.5 mm
f steel 1000	0.1 mm/r
Gross Weight	0.065 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	20-40	0.2-0.25	⚫
1.02 Structural steel	ST 37-2	<500	1.0037	20-40	0.2-0.25	⚫
1.03 Structural steel	ST 60-2	> 500	1.7735	20-38	0.2-0.25	⚫
1.04 Heat-treated steel	42 CrMo 4	<1000	1.7225	20-30	0.2-0.25	⚫
1.05 Cast iron	GS-45	<1000	1.0446	15-25	0.15-0.17	⚫
1.06 Case-hardened steel	16 MnCr 5	<1200	1.7131	15-22	0.15-0.17	⚫
1.07 Ferritic/martensitic stainless steel	X 10 Cr 13	<1100	1.4006	5-14	0.15-0.17	⚫
1.08 Heat-treated steel	43 CrMo 4	>1000	1.3563	5-12	0.15-0.17	⚪
1.09 Nitriding steel	31 CrMoV 9	<1300	1.8519	5-12	0.15-0.17	⚪
1.10 Tool steel	X 38 CrMoV 5 1	<1300	1.2343	5-10	0.15-0.17	⚪
2.00 Stainless steels
2.01 Austenitic stainless steel	G-X 2 CrNiMo 18 15	<1100	1.3953	5-12	0.15-0.17	⚪
3.00 Non-ferrous metals
3.01 Long-chipping aluminium	AI99.9	<500	3.0305	40-60	0.22-0.27	⚪
3.02 Short-chipping aluminium	G-AISi12	<500	3.2581	30-50	0.22-0.27	⚫
3.03 Copper alloy bronze, long-chipping	CuSn4	<1200	2.1016	15-25	0.2-0.25	⚪
3.04 Copper alloy bronze, short-chipping	CuNi12Zn24	<850	2.0730	15-25	0.2-0.25	⚫
3.05 Copper alloy brass, long-chipping	Cu Zn 20	<600	2.0250	30-45	0.22-0.27	⚪
3.07 Thermoplastic	Cu Zn 39 Pb 3	<600	2.0381	30-50	0.22-0.27	⚫
3.07 Thermoplastic	PVC, Acrylglas	<100		15-25	0.2-0.25
3.08 Duroplast	Bakelit, Melamin	<150		10-22	0.2-0.25
3.09 Fibre-reinforced plastics	CFK, GFK	<1500		10-20	0.2-0.25
3.10 Graphite	C8000	<60		5-10	0.2-0.25
3.11 Composite materials				-	-
4.00 Cast metal
4.01 Grey cast iron	GG10	<260 HB	0.6010	15-20	0.2-0.25	⚫
4.02 Spheroidal graphite iron	GGG 40	<310 HB	0.7040	15-20	0.2-0.25	⚫
4.03 Ductile iron	GTW-55	<280 HB	0.8055	15-20	0.2-0.25	⚫
5.00 Special alloys
5.01 Titanium alloy	TiAI5Sn2,5	<1200	3.7115	2-7	0.2-0.25	⚪
5.02 Nickel-based alloy	NiCr21Mo	<1400	2.4858	2-7	0.2-0.25
5.03 Super alloys	X45CrSi 9 3	<1400	1.4718	2-7	0.2-0.25