End mills long, 40°/35°, type N, Weldon shank

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End mills long, 40°/35°, type N, Weldon shank

141218 High-speed steel HSS Co8 DIN 844L

D>20

D<=20

Cutting conditions Product attributes

D k 10	d h 6	l₁	l₂	λ	Z	Item code	On stock
6	6	68	24	40	4	141218.060	Yes
7	10	80	30	40	4	141218.070	Yes
8	10	88	38	40	4	141218.080	Yes
9	10	88	38	40	4	141218.090	Yes
10	10	95	45	40	4	141218.100	No
11	12	102	45	40	4	141218.110	Yes
12	12	110	53	40	4	141218.120	Yes
13	12	110	53	40	4	141218.130	Yes
14	12	110	53	40	4	141218.140	No
15	12	110	53	40	4	141218.150	Yes
16	16	123	63	40	4	141218.160	No
17	16	123	63	40	4	141218.170	Yes
18	16	123	63	40	4	141218.180	Yes
20	20	141	75	40	4	141218.200	Yes
22	20	141	75	35	5	141218.220	Yes
25	25	166	90	35	5	141218.250	Yes
28	25	166	90	35	5	141218.280	Yes
30	25	166	90	35	6	141218.300	No
32	32	186	106	35	6	141218.320	Yes
36	32	186	106	35	6	141218.360	Yes
40	32	205	125	35	6	141218.40032	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.5 \| Tool steels high 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

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 = 35°. Rake angle = 12°.

Feed direction possibility

Type N

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

Tool geometry

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Helix angle = 40°. Rake angle = 12°.

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.