End mills long, 1 tooth cut over centre, 30°, type N, Weldon shank

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End mills long, 1 tooth cut over centre, 30°, type N, Weldon shank

121518 High-speed steel HSS Co8 DIN 844L

D=2

Cutting conditions Product attributes

D k 10	d h 6	l₁	l₂	Z	Item code	On stock
2	6	54	10	3	121518.020	Yes
3	6	56	12	4	121518.030	Yes
3,5	6	59	15	4	121518.035	Yes
4	6	63	19	4	121518.040	Yes
4,5	6	63	19	4	121518.045	Yes
5	6	68	24	4	121518.050	Yes
5,5	6	68	24	4	121518.055	Yes
6	6	68	24	4	121518.060	Yes
7	10	80	30	4	121518.070	Yes
8	10	88	38	4	121518.080	Yes
9	10	88	38	4	121518.090	Yes
10	10	95	45	4	121518.100	Yes
11	12	102	45	4	121518.110	Yes
12	12	110	53	4	121518.120	Yes
13	12	110	53	4	121518.130	Yes
14	12	110	53	4	121518.140	Yes
15	12	110	53	4	121518.150	Yes
16	16	123	63	4	121518.160	Yes
18	16	123	63	4	121518.180	Yes
20	20	141	75	4	121518.200	Yes
22	20	141	75	5	121518.220	Yes
24	25	166	90	5	121518.240	Yes
25	25	166	90	5	121518.250	Yes
26	25	166	90	5	121518.260	Yes
28	25	166	90	5	121518.280	Yes
30	25	166	90	5	121518.300	Yes
32	32	186	106	6	121518.320	Yes
36	32	186	106	6	121518.360	Yes
40	32	205	125	6	121518.40032	Yes

D 40 ≠ DIN 844L

Cutting conditions

Material	Strength	A_p	A_e	V_c	fz(mm/z) Ø 3	Ø 6	Ø 8	Ø 10	Ø 12	Ø 16	Ø 18	Ø 20	Ø 25	Ø 32	Ø 40
P.1 \| Free-cutting steels, general construction steels	≤ 600 N/mm²	1xD	0,1xD	45	0.006	0.015	0.021	0.028	0.034	0.044	0.051	0.057	0.071	0.091	0.11
P.2 \| General construction steels, steel castings	≤ 850 N/mm²	1xD	0,1xD	39	0.006	0.015	0.021	0.028	0.034	0.044	0.051	0.057	0.071	0.091	0.11
P.3 \| Tool steels low alloyed	≤ 1100 N/mm²	1xD	0,1xD	24	0.006	0.015	0.021	0.028	0.034	0.044	0.051	0.057	0.071	0.091	0.11
P.4 \| Heat treatable steels	≤ 900 N/mm²	1xD	0,1xD	30	0.006	0.015	0.021	0.028	0.034	0.044	0.051	0.057	0.071	0.091	0.11
P.6 \| Tool and treated steels	> 1100 N/mm²	1xD	0,1xD	20	0.0042	0.0105	0.0147	0.0196	0.0238	0.0308	0.0357	0.0399	0.0497	0.0637	0.077
M.2 \| Corrosion- and acid-proof steels	750 - 850 N/mm²	1xD	0,1xD	15	0.006	0.015	0.021	0.028	0.034	0.044	0.051	0.057	0.071	0.091	0.11
K.2 \| Cast iron (> 240 HB)	> 800 N/mm²	1xD	0,1xD	35	0.006	0.015	0.021	0.028	0.034	0.044	0.051	0.057	0.071	0.091	0.11
N.2 \| Aluminium cast alloys Si (Si ≤ 12%)	≤ 600 N/mm²	1xD	0,1xD	160-300	0.0078	0.0195	0.0273	0.0364	0.0442	0.0572	0.0663	0.0741	0.0923	0.1183	0.143
S.1 \| Chrome-nickel alloys	≤ 1500 N/mm²	1xD	0,1xD	12	0.0042	0.0105	0.0147	0.0196	0.0238	0.0308	0.0357	0.0399	0.0497	0.0637	0.077

Calculations of cutting conditions

Product attributes

Clamping element

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Straight shank with clamping flat (Weldon) according to DIN 1835 B.

Tool geometry

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Helix angle = 30°. Rake angle = 8°.

Feed direction possibility

Type N

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Universal usage. Suitable for materials up to strength 900 MPa.

Feed direction possibility

Material HSS Co8

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Extra high performance high speed steel with good toughness and great temperature resistance. It is applicable especially for milling of materials with high strength, austenitic steels, steels for warm working, etc.