ATORN stepped drill bit core hole centring, type N, HSS M4 4.3 mm HA - Stepped drill bit, short, type N, HSS

ATORN stepped drill bit core hole centring, type N, HSS M4 4.3 mm HA - Stepped drill bit, short, type N, HSS - 1

ATORN stepped drill bit core hole centring, type N, HSS M4 4.3 mm HA

Name: ATORN stepped drill bit core hole centring, type N, HSS M4 4.3 mm HA
Brand: ATORN
SKU: 11121004

Brand: ATORN

Surface: Uncoated

Length: 63 mm

Art.-no. 11121004

Manufacturer article no. 10440188

EAN 4050293013191

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ATORN stepped drill bit core hole centring, type N, HSS M4 4.3 mm HA

Art.-no. 11121004

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Application

Drilling of thread core holes in accordance with DIN 332-2, form D/DR. Simultaneous, precisely aligned insertion of centre hole, inlet for screw tap and thread core hole.

Execution

profile-ground

Advantage

precise alignment of drill diameter and countersink diameter, lower process costs
universal use, therefore tool costs are reduced to a minimum and user flexibility is increased

Product information

HAHN+KOLB Catalogue

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Certificates/ Documents


Brand	ATORN
Main EAN Code	4050293013191
Manufacturer Part Number	10440188
Cutting material	HSS
Surface	Uncoated
Type	N
Angle of the tip	118 Degree
Tool holding device	HA parallel shank
Suitable for screw thread	M4
Pilot hole diameter (d1)	3.3 mm
Spot-facer diameter (d2)	4.3 mm
Pilot hole length (l3)	11 mm
Chip flute length (l1)	23 mm
Countersink length (l2)	12.6 mm
Length (L)	63 mm
Shank diameter (d3)	8 mm
f steel 700	0.04 mm/r
Gross Weight	0.016 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	0.04-0.15	⚫
1.02 Structural steel	ST 37-2	<500	1.0037	20-40	0.04-0.15	⚫
1.03 Structural steel	ST 60-2	> 500	1.7735	20-38	0.04-0.15	⚫
1.04 Heat-treated steel	42 CrMo 4	<1000	1.7225	20-30	0.04-0.15	⚪
1.05 Cast iron	GS-45	<1000	1.0446	15-25	0.02-0.1	⚪
1.06 Case-hardened steel	16 MnCr 5	<1200	1.7131	15-22	0.02-0.1	⚪
1.07 Ferritic/martensitic stainless steel	X 10 Cr 13	<1100	1.4006	5-14	0.02-0.1
1.08 Heat-treated steel	43 CrMo 4	>1000	1.3563	5-12	0.02-0.1
1.09 Nitriding steel	31 CrMoV 9	<1300	1.8519	5-12	0.02-0.1
1.10 Tool steel	X 38 CrMoV 5 1	<1300	1.2343	5-10	0.02-0.1
2.00 Stainless steels
2.01 Austenitic stainless steel	G-X 2 CrNiMo 18 15	<1100	1.3953	5-12	0.02-0.1
3.00 Non-ferrous metals
3.01 Long-chipping aluminium	AI99.9	<500	3.0305	40-60	0.06-0.17	⚪
3.02 Short-chipping aluminium	G-AISi12	<500	3.2581	30-50	0.06-0.17	⚫
3.03 Copper alloy bronze, long-chipping	CuSn4	<1200	2.1016	15-25	0.04-0.15	⚪
3.04 Copper alloy bronze, short-chipping	CuNi12Zn24	<850	2.0730	15-25	0.04-0.15	⚫
3.05 Copper alloy brass, long-chipping	Cu Zn 20	<600	2.0250	30-45	0.06-0.17	⚪
3.07 Thermoplastic	Cu Zn 39 Pb 3	<600	2.0381	30-50	0.06-0.17	⚫
3.07 Thermoplastic	PVC, Acrylglas	<100		15-25	0.04-0.15
3.08 Duroplast	Bakelit, Melamin	<150		10-22	0.04-0.15
3.09 Fibre-reinforced plastics	CFK, GFK	<1500		10-20	0.04-0.15
3.10 Graphite	C8000	<60		5-10	0.04-0.15
3.11 Composite materials				-	-
4.00 Cast metal
4.01 Grey cast iron	GG10	<260 HB	0.6010	15-20	0.04-0.15	⚫
4.02 Spheroidal graphite iron	GGG 40	<310 HB	0.7040	15-20	0.04-0.15	⚫
4.03 Ductile iron	GTW-55	<280 HB	0.8055	15-20	0.04-0.15	⚫
5.00 Special alloys
5.01 Titanium alloy	TiAI5Sn2,5	<1200	3.7115	2-7	0.04-0.15
5.02 Nickel-based alloy	NiCr21Mo	<1400	2.4858	2-7	0.04-0.15
5.03 Super alloys	X45CrSi 9 3	<1400	1.4718	2-7	0.04-0.15