Set of end mills short, 40°, type N, Weldon shank

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Set of end mills short, 40°, type N, Weldon shank

140218 SET High-speed steel HSS Co8 DIN 844K

D>20

D=20

Cutting conditions Product attributes

Item code	On stock
140218.6-20 SET	Yes

Content of set

140218.6-20 SET

Item code	D k 10	d h 6	l₁	l₂	Z
140218.060	6	6	57	13	4
140218.080	8	10	69	19	4
140218.100	10	10	72	22	4
140218.120	12	12	83	26	4
140218.160	16	16	92	32	4
140218.200	20	20	104	38	4

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.