ATORN centre drill bit with radius HSS shape R 8.0 mm x 20 mm x 80 mm - Centre drill with radius HSS Type R

ATORN centre drill bit with radius HSS shape R 8.0 mm x 20 mm x 80 mm - Centre drill with radius HSS Type R - 1

ATORN centre drill bit with radius HSS shape R 8.0 mm x 20 mm x 80 mm - Centre drill with radius HSS Type R - 2

ATORN centre drill bit with radius HSS shape R 8.0 mm x 20 mm x 80 mm

Name: ATORN centre drill bit with radius HSS shape R 8.0 mm x 20 mm x 80 mm
Brand: ATORN
SKU: 11010080

Brand: ATORN

Surface: Uncoated

Length: 80 mm

DIN: 333

Art.-no. 11010080

Manufacturer article no. 10440569

EAN 4050293414899

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ATORN centre drill bit with radius HSS shape R 8.0 mm x 20 mm x 80 mm

Art.-no. 11010080

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Application

For centre drilling on CNC machines.

Execution

spiral-fluted design with relief grinding. diameter 0.5–0.8, ground on one side
Packing unit: Ref. no. 005 - 025 = 10 units (price per unit)

Advantage

less risk of centre drill breakage, since the radius does not leave behind sharp edges
radius compensates for positioning inaccuracies and angle errors (sufficient bearing surface present even with offset lathe centre)

Notes

For making centring holes in accordance with DIN 332

Product information

HAHN+KOLB Catalogue

CAD data (available after login)

Certificates/ Documents


Brand	ATORN
Main EAN Code	4050293414899
Manufacturer Part Number	10440569
Countersink angle	60 Degree
Cutting material	HSS
Surface	Uncoated
Form	R
Tool holding device	HA parallel shank
Cutting edge diameter	8 mm
Shank diameter	20 mm
Min./max cutting edge length	20-20.7 mm
Length	80 mm
Radius	20 mm
f steel 700	0.08 mm/r
DIN	333
Gross Weight	0.107 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	25-50	0.15	⚫
1.02 Structural steel	ST 37-2	<500	1.0037	35-50	0.15	⚫
1.03 Structural steel	ST 60-2	> 500	1.7735	15-35	0.15	⚫
1.04 Heat-treated steel	42 CrMo 4	<1000	1.7225	10-30	0.08	⚫
1.05 Cast iron	GS-45	<1000	1.0446	10-25	0.08	⚫
1.06 Case-hardened steel	16 MnCr 5	<1200	1.7131	10-25	0.08	⚫
1.07 Ferritic/martensitic stainless steel	X 10 Cr 13	<1100	1.4006	6-12	0.08	⚪
1.08 Heat-treated steel	43 CrMo 4	>1000	1.3563	8-30	0.08	⚪
1.09 Nitriding steel	31 CrMoV 9	<1300	1.8519	8-20	0.08	⚪
1.10 Tool steel	X 38 CrMoV 5 1	<1300	1.2343	5-15	0.08	⚪
2.00 Stainless steels
2.01 Austenitic stainless steel	G-X 2 CrNiMo 18 15	<1100	1.3953	8-20	0.08
3.00 Non-ferrous metals
3.01 Long-chipping aluminium	AI99.9	<500	3.0305	50-100	0.12	⚫
3.02 Short-chipping aluminium	G-AISi12	<500	3.2581	30-60	0.12	⚫
3.03 Copper alloy bronze, long-chipping	CuSn4	<1200	2.1016	15-35	0.12	⚫
3.04 Copper alloy bronze, short-chipping	CuNi12Zn24	<850	2.0730	25-50	0.12	⚫
3.05 Copper alloy brass, long-chipping	Cu Zn 20	<600	2.0250	30-60	0.12	⚫
3.07 Thermoplastic	PVC, Acrylglas	<100		20-35	0.15	⚫
3.07 Thermoplastic	Cu Zn 39 Pb 3	<600	2.0381	60-100	0.12	⚫
3.08 Duroplast	Bakelit, Melamin	<150		10-20	0.15	⚫
3.09 Fibre-reinforced plastics	CFK, GFK	<1500		10-20	0.15	⚪
3.10 Graphite	C8000	<60		12-20	0.15	⚪
3.11 Composite materials				-		⚪
4.00 Cast metal
4.01 Grey cast iron	GG10	<260 HB	0.6010	15-30	0.12	⚫
4.02 Spheroidal graphite iron	GGG 40	<310 HB	0.7040	15-30	0.12	⚫
4.03 Ductile iron	GTW-55	<280 HB	0.8055	15-30	0.12	⚫
5.00 Special alloys
5.01 Titanium alloy	TiAI5Sn2,5	<1200	3.7115	3-10	0.08
5.02 Nickel-based alloy	NiCr21Mo	<1400	2.4858	3-8	0.08
5.03 Super alloys	X45CrSi 9 3	<1400	1.4718	3-8	0.08