special tools

N 300 series

N 320

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 320

N 320

N 320

Suggested applications

Steels

not recommended

hardened steels < 56 hrc

not recommended

hardened steels > 56 hrc

not recommended

stainless steel

not recommended

superalloys

not recommended

cast iron

not recommended

aluminum alloys & plastic materials

graphite

Drilling types

Features

Tools

ART	D1h10	D2h6	D3	L1	L2	L3	L4	R	45°	Z	UNCOATED
N320-030C4	3,00	3,00		50	4				0,10	3	C4-U
N320-040C4	4,00	4,00		50	5				0,10	3	C4-U
N320-050C4	5,00	5,00		50	6				0,10	3	C4-U
N320-060C4	6,00	6,00		50	7				0,10	3	C4-U
N320-080C4	8,00	8,00		60	9				0,20	3	C4-U
N320-100C4	10,00	10,00		60	11				0,20	3	C4-U
N320-120C4	12,00	12,00		70	13				0,30	3	C4-U
N320-140C4	14,00	14,00		75	15				0,30	3	C4-U
N320-160C4	16,00	16,00		80	17				0,30	3	C4-U
N320-200C4	20,00	20,00		80	21				0,30	3	C4-U

ART	D1h10	D2h6	D3	L1	L2	L3	L4	R	45°	Z	UNCOATED
N320S-030C4	3,00	3,00	2,80	50	4	7			0,10	3	C4-U
N320S-040C4	4,00	4,00	3,80	50	5	10			0,10	3	C4-U
N320S-050C4	5,00	5,00	4,80	50	6	12			0,10	3	C4-U
N320S-060C4	6,00	6,00	5,80	50	7	13			0,10	3	C4-U
N320S-080C4	8,00	8,00	7,80	60	9	17			0,20	3	C4-U
N320S-100C4	10,00	10,00	9,80	60	11	21			0,20	3	C4-U
N320S-120C4	12,00	12,00	11,80	70	13	23			0,30	3	C4-U
N320S-140C4	14,00	14,00	13,70	80	15	29			0,30	3	C4-U
N320S-160C4	16,00	16,00	15,70	90	17	33			0,30	3	C4-U
N320S-200C4	20,00	20,00	19,70	100	21	41			0,30	3	C4-U

Cutting parameters

	D	Z	Vc	fz	ap	ae	N rpm	F	Q cm3/min

Click to see material list N1	3	3	600	0,020	3	3	63694	3822	34,39
	4	3	600	0,035	4	4	47771	5016	80,25
	5	3	600	0,040	5	5	38217	4586	114,65
	6	3	600	0,045	6	6	31847	4299	154,78
	8	3	600	0,060	8	8	23885	4299	275,16
	10	3	600	0,065	10	10	19108	3726	372,61
	12	3	600	0,070	12	12	15924	3344	481,53
	14	3	600	0,085	12	14	13649	3480	584,71
	16	3	600	0,095	12	16	11943	3404	653,50
	20	3	600	0,120	10	20	9554	3439	687,90

Click to see material list N2 N3	3	3	450	0,015	3	3	47771	2150	19,35
	4	3	450	0,030	4	4	35828	3225	51,59
	5	3	450	0,035	5	5	28662	3010	75,24
	6	3	450	0,040	6	6	23885	2866	103,18
	8	3	450	0,050	8	8	17914	2687	171,97
	10	3	450	0,060	10	10	14331	2580	257,96
	12	3	450	0,070	12	12	11943	2508	361,15
	14	3	450	0,095	12	14	10237	2917	490,13
	16	3	450	0,120	12	16	8957	3225	619,11
	20	3	450	0,150	10	20	7166	3225	644,90

Click to see material list N4	3	3	250	0,015	3	3	26539	1194	10,75
	4	3	250	0,030	4	4	19904	1791	28,66
	5	3	250	0,035	5	5	15924	1672	41,80
	6	3	250	0,040	6	6	13270	1592	57,32
	8	3	250	0,050	8	8	9952	1493	95,54
	10	3	250	0,060	10	10	7962	1433	143,31
	12	3	250	0,070	12	12	6635	1393	200,64
	14	3	250	0,095	12	14	5687	1621	272,29
	16	3	250	0,120	12	16	4976	1791	343,95
	20	3	250	0,150	10	20	3981	1791	358,28

Click to see material list N5	3	3	700	0,015	3	3	74310	3344	30,10
	4	3	700	0,030	4	4	55732	5016	80,25
	5	3	700	0,035	5	5	44586	4682	117,04
	6	3	700	0,040	6	6	37155	4459	160,51
	8	3	700	0,050	8	8	27866	4180	267,52
	10	3	700	0,060	10	10	22293	4013	401,27
	12	3	700	0,070	12	12	18577	3901	561,78
	14	3	700	0,095	12	14	15924	4538	762,42
	16	3	700	0,120	12	16	13933	5016	963,06
	20	3	700	0,150	10	20	11146	5016	1003,18

ae<0.4D1 fz+20% - Uncoated -30% - code S fz -10 %

Formulas

Cutting speed	Vc =	D x n x 3,14 1000	m/min
Tool revolution	n =	Vc x 1000 3,14 x D	rpm
Feed for tooth	fz =	F z x n	mm
Feed rate	F =	fz x z x n	mm/min
Material removal rate	Q =	a_p x a_e x F 1000	cm³/min