ATORN centre drill bit HSS shape A 12.5 mm x 31.5 mm x 125 mm

Name: ATORN centre drill bit HSS shape A 12.5 mm x 31.5 mm x 125 mm
Brand: ATORN
SKU: 11001125

Brand: ATORN

Surface: Uncoated

Length: 125 mm

DIN: 333

Art.-no. 11001125

Manufacturer article no. 10440568

EAN 4050293414882

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ATORN centre drill bit HSS shape A 12.5 mm x 31.5 mm x 125 mm

Art.-no. 11001125

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Application

For centre drilling on conventional and CNC machines.

Execution

spiral-fluted design with relief grinding. diameter 0.5–0.8, ground on one side
Packing unit: Ref. no. 005 - 031 = 10 units (price per unit)

Advantage

Radial relief ensures optimum chip breaking

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	4050293414882
Manufacturer Part Number	10440568
Countersink angle	60 Degree
Cutting material	HSS
Surface	Uncoated
Form	A
Tool holding device	HA parallel shank
Cutting edge diameter	12.50 mm
Shank diameter	31.50 mm
Min./max cutting edge length	16.5-17.5 mm
Length	125 mm
f steel 700	0.08 mm/r
DIN	333
Gross Weight	0.409 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	0.3	⚫
1.02 Structural steel	ST 37-2	<500	1.0037	35-50	0.3	⚫
1.03 Structural steel	ST 60-2	> 500	1.7735	15-35	0.3	⚫
1.04 Heat-treated steel	42 CrMo 4	<1000	1.7225	10-30	0.15	⚫
1.05 Cast iron	GS-45	<1000	1.0446	10-25	0.15	⚫
1.06 Case-hardened steel	16 MnCr 5	<1200	1.7131	10-25	0.15	⚫
1.07 Ferritic/martensitic stainless steel	X 10 Cr 13	<1100	1.4006	6-12	0.15	⚪
1.08 Heat-treated steel	43 CrMo 4	>1000	1.3563	8-30	0.15	⚪
1.09 Nitriding steel	31 CrMoV 9	<1300	1.8519	8-20	0.15	⚪
1.10 Tool steel	X 38 CrMoV 5 1	<1300	1.2343	5-15	0.15	⚪
2.00 Stainless steels
2.01 Austenitic stainless steel	G-X 2 CrNiMo 18 15	<1100	1.3953	8-20	0.15
3.00 Non-ferrous metals
3.01 Long-chipping aluminium	AI99.9	<500	3.0305	50-100	0.2	⚫
3.02 Short-chipping aluminium	G-AISi12	<500	3.2581	30-60	0.2	⚫
3.03 Copper alloy bronze, long-chipping	CuSn4	<1200	2.1016	15-35	0.2	⚫
3.04 Copper alloy bronze, short-chipping	CuNi12Zn24	<850	2.0730	25-50	0.2	⚫
3.05 Copper alloy brass, long-chipping	Cu Zn 20	<600	2.0250	30-60	0.2	⚫
3.07 Thermoplastic	PVC, Acrylglas	<100		20-35	0.25	⚫
3.07 Thermoplastic	Cu Zn 39 Pb 3	<600	2.0381	60-100	0.2	⚫
3.08 Duroplast	Bakelit, Melamin	<150		10-20	0.25	⚫
3.09 Fibre-reinforced plastics	CFK, GFK	<1500		10-20	0.25	⚪
3.10 Graphite	C8000	<60		12-20	0.25	⚪
3.11 Composite materials				-		⚪
4.00 Cast metal
4.01 Grey cast iron	GG10	<260 HB	0.6010	15-30	0.2	⚫
4.02 Spheroidal graphite iron	GGG 40	<310 HB	0.7040	15-30	0.2	⚫
4.03 Ductile iron	GTW-55	<280 HB	0.8055	15-30	0.2	⚫
5.00 Special alloys
5.01 Titanium alloy	TiAI5Sn2,5	<1200	3.7115	3-10	0.12
5.02 Nickel-based alloy	NiCr21Mo	<1400	2.4858	3-8	0.12
5.03 Super alloys	X45CrSi 9 3	<1400	1.4718	3-8	0.12