Double angle milling cutters, symmetrical

857075V High-speed steel HSS Co5 DIN 847

ϱ ±30'	D js 16	S	d H 7	Z	Item code	On stock
45	50	8	16	16	857075V.045050	Yes
45	63	10	22	16	857075V.045063	Yes
45	80	12	27	20	857075V.045080	No
45	100	18	32	20	857075V.045100	Yes
60	50	10	16	16	857075V.060050	Yes
60	63	14	22	16	857075V.060063	Yes
60	80	18	27	18	857075V.060080	Yes
60	100	25	32	20	857075V.060100	Yes
90	50	14	16	16	857075V.090050	Yes
90	63	20	22	16	857075V.090063	Yes
90	80	22	27	18	857075V.090080	No
90	100	32	32	20	857075V.090100	Yes

Cutting conditions

Material	Strength	A_p	V_c	fz(mm/z) Ø 50	Ø 63	Ø 80	Ø 100
P.1 \| Free-cutting steels, general construction steels	≤ 600 N/mm²	0,8xS	37.5	0.03	0.035	0.04	0.045
P.3 \| Tool steels low alloyed	≤ 1100 N/mm²	0,8xS	18	0.03	0.035	0.04	0.045
P.4 \| Heat treatable steels	≤ 900 N/mm²	0,8xS	25	0.03	0.035	0.04	0.045
P.6 \| Tool and treated steels	> 1100 N/mm²	0,8xS	16	0.021	0.025	0.028	0.0315
M.2 \| Corrosion- and acid-proof steels	750 - 850 N/mm²	0,8xS	10	0.03	0.035	0.04	0.045
K.1 \| Cast iron (≤ 240 HB)	≤ 820 N/mm²	0,8xS	30	0.03	0.035	0.04	0.045
K.2 \| Cast iron (> 240 HB)	> 800 N/mm²	0,8xS	22	0.03	0.035	0.04	0.045
N.4 \| Cooper-zinc alloys, cooper-tin alloys	≤ 800 N/mm²	0,8xS	60-100	0.03	0.035	0.04	0.045
S.2 \| Titanium, Titanium alloys	≤ 1250 N/mm²	0,8xS	9	0.021	0.025	0.028	0.0315

Calculations of cutting conditions

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Straight bore with standard keyway according to DIN 138.

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Helix angle = 0°. Rake angle = 0°.

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Very high performance high speed steel with good toughness for milling cutters and for milling of materials up to the strength of 1200 MPa.

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