N 400 series

N 420

Cylindrical Milling Cutter with high cutting performance for grooving and shoulders version with normal shank or version with shank unloaded code-S for useful cutting increase at height L3

N 420

N 420
N 420

Suggested applications

Steels

hardened steels < 56 hrc

hardened steels > 56 hrc

stainless steel

superalloys

cast iron

aluminum alloys & plastic materials

graphite

Drilling types

Features

Tools

ARTD1h10D2h6D3L1L2L3L4R45°ZUNCOATED
N420-030C43,003,005040,104C4-U
N420-040C44,004,005050,104C4-U
N420-050C45,005,005060,104C4-U
N420-060C46,006,005070,104C4-U
N420-080C48,008,006090,204C4-U
N420-100C410,0010,0060110,204C4-U
N420-120C412,0012,0070130,304C4-U
N420-140C414,0014,0075150,304C4-U
N420-160C416,0016,0080170,304C4-U
N420-200C420,0020,0080210,304C4-U
ARTD1h10D2h6D3L1L2L3L4R45°ZUNCOATED
N420S-030C43,003,0050470,104C4-U
N420S-040C44,004,00505100,104C4-U
N420S-050C45,005,00506120,104C4-U
N420S-060C46,006,00507130,104C4-U
N420S-080C48,008,007,80609170,204C4-U
N420S-100C410,0010,009,806011210,204C4-U
N420S-120C412,0012,0011,807013230,304C4-U
N420S-140C414,0014,0013,708015290,304C4-U
N420S-160C416,0016,0015,709017330,304C4-U
N420S-200C420,0020,0019,7010021410,304C4-U

Cutting parameters

N 420D Z Vc fz ap ae N rpm F Q cm3/min
Click to see material list
N1 		3 4 500 0,020 3 3 53079 4246 38,22
4 4 500 0,025 4 4 39809 3981 63,69
5 4 500 0,030 5 5 31847 3822 95,54
6 4 500 0,045 6 6 26539 4777 171,97
8 4 500 0,060 8 8 19904 4777 305,73
10 4 500 0,065 10 10 15924 4140 414,01
12 4 500 0,070 12 12 13270 3715 535,03
14 4 500 0,085 12 14 11374 3867 649,68
16 4 500 0,095 12 16 9952 3782 726,11
20 4 500 0,120 10 20 7962 3822 764,33
Click to see material list
N2 N3 		3 4 400 0,015 3 3 42463 2548 22,93
4 4 400 0,025 4 4 31847 3185 50,96
5 4 400 0,030 5 5 25478 3057 76,43
6 4 400 0,035 6 6 21231 2972 107,01
8 4 400 0,045 8 8 15924 2866 183,44
10 4 400 0,055 10 10 12739 2803 280,25
12 4 400 0,070 12 12 10616 2972 428,03
14 4 400 0,085 12 14 9099 3094 519,75
16 4 400 0,095 8 16 7962 3025 387,26
20 4 400 0,120 10 20 6369 3057 611,46
Click to see material list
N4 		3 4 250 0,010 3 3 26539 1062 9,55
4 4 250 0,018 4 4 19904 1433 22,93
5 4 250 0,023 5 5 15924 1465 36,62
6 4 250 0,028 6 6 13270 1486 53,50
8 4 250 0,035 8 8 9952 1393 89,17
10 4 250 0,040 10 10 7962 1274 127,39
12 4 250 0,050 12 12 6635 1327 191,08
14 4 250 0,055 12 14 5687 1251 210,19
16 4 250 0,06 8 16 4976 1194 152,87
20 4 250 0,065 10 20 3981 1035 207,01
Click to see material list
N5 		3 4 750 0,020 3 3 79618 6369 57,32
4 4 750 0,025 4 4 59713 5971 95,54
5 4 750 0,030 5 5 47771 5732 143,31
6 4 750 0,045 6 6 39809 7166 257,96
8 4 750 0,060 8 8 29857 7166 458,60
10 4 750 0,065 10 10 23885 6210 621,02
12 4 750 0,070 12 12 19904 5573 802,55
14 4 750 0,085 14 14 17061 5801 1136,94
16 4 750 0,095 8 16 14928 5673 726,11
20 4 750 0,120 10 20 11943 5732 1146,50
ae<0.4D1 fz+20% - Uncoated -30% - code S fz -10 %

Formulas

Cutting speedVc = D x n x 3,14
1000		m/min
Tool revolutionn = Vc x 1000
3,14 x D		rpm
Feed for toothfz = F
z x n		mm
Feed rateF = fz x z x nmm/min
Material removal rateQ = ap x ae x F
1000		cm3/min
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