Mill 4™-12KT • Coarse Pitch • Shell Mill

Mill 4™-12^KT • Shell Mill • Coarse Pitch • Inch

Mill 4™-12KT • Coarse Pitch • Shell Mill

Features and benefits

Up to 15% lower power consumption.

Inserts Portfolio: 4 cutting edges, 7 carbide grades & 7 corner radii.

Cutter Portfolio: Coarse & Medium Pitch Cutters, Standard diameter range: Inch (2.0 in - 8.0 in.) & Metric (50 mm – 200 mm).

Advanced insert/ pocket interface ensures stability and consistent performance in difficult applications.

Uses and application

Face Milling
Milling - Side and Face
Milling - Through Coolant

Workpiece Materials

P Steel

M Stainless Steel

K Cast Iron

S High-Temp Alloys

H Hardened Materials

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Inch

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Metric

Inch

SAP Material Number	ISO Catalog Number	ANSI Catalog Number	[D1] Effective Cutting Diameter	[D1] Effective Cutting Diameter	[D] Adapter / Shank / Bore Diameter	[D] Adapter / Shank / Bore Diameter	[D4] Bolt Circle 4	[D4] Bolt Circle 3	[D6] Hub Diameter	[D6] Hub Diameter	[L] Overall Length	[L] Overall Length	[AP1MAX] 1st Maximum Cutting Depth	[AP1MAX] 1st Maximum Cutting Depth	Number of Inserts	Weight Pounds	Max RPM
6524718	KT4D200Z04S075LN12L150	KT4D200Z04S075LN12L150	50.8000	2.000	19.05	.75			44.4500	1.750	38.1000	1.500	12.1350	.4777	4	0.71	25700
6524719	KT4D250Z05S100LN12L175	KT4D250Z05S100LN12L175	63.5000	2.500	25.4	1.0			55.5620	2.187	44.4500	1.750	12.1460	.4782	5	1.35	22000
6524720	KT4D300Z07S100LN12L175	KT4D300Z07S100LN12L175	76.2000	3.000	25.4	1.0			55.5620	2.187	44.4500	1.750	12.1450	.4782	7	1.87	19600
6524731	KT4D400Z09S125LN12L200	KT4D400Z09S125LN12L200	101.6000	4.000	31.75	1.25			73.0250	2.875	50.8000	2.000	12.1440	.4781	9	3.23	16500
6524732	KT4D500Z11S150LN12L238	KT4D500Z11S150LN12L238	127.0000	5.000	38.1	1.5			96.8380	3.812	60.3250	2.375	12.1440	.4781	11	5.80	14500
6524733	KT4D600Z12S200LN12L238	KT4D600Z12S200LN12L238	152.4000	6.000	50.8	2.0			123.8250	4.875	60.3250	2.375	12.1440	.4781	12	9.25	13000
6524734	KT4D800Z16S250LN12L238	KT4D800Z16S250LN12L238	203.2000	8.000	63.5	2.5	101.6000	4.000	130.0000	5.118	60.3250	2.375	12.1430	.4781	16	11.63	11100

Insert Selection Guide

Material Group	LightMachining		GeneralPurpose		HeavyMachining
–	(Light geometry)		–		(Strong geometry)
–	wear resistance				toughness
–	Geometry	Grade	Geometry	Grade	Geometry	Grade
P1–P2	.E..GE	KC522M	.E..GE	KCPM40	.E..GE	KCPM40
P3–P4	.E..GE	KC522M	.E..GE	KCPM40	.E..GE	KCPM40
P5–P6	.E..GE	KC522M	.E..GE	KCPK30	.E..GE	KCPM40
M1–M2	.E..GE	KC522M	.E..GE	KCSM40	.E..GE	KCPM40
M3	.E..GE	KC522M	.E..GE	KCSM40	.E..GE	KCPM40
K1–K2	.E..GE	KCK15	.E..GE	KCK15	.E..GE	KCPK30
K3	.E..GE	KCK20	.E..GE	KCK20	.E..GE	KCPK30
N1–N2	–	–	–	–	–	–
N3	–	–	–	–	–	–
S1–S2	.E..GE	KC522M	.E..GE	KCSM40	.E..GE	KCSM40
S3	.E..GE	KC522M	.E..GE	KCSM40	.E..GE	KCSM40
S4	.E..GE	KC522M	.E..GE	KCSM40	.E..GE	KCSM40
H1	–	–	–	–	–	–

Recommended Starting Feeds [mm]

Insert Geometry	Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae)															Insert Geometry
	10%			20%			30%			40%			50–100%
.E..GE	0,12	0,33	0,59	0,09	0,25	0,44	0,08	0,22	0,38	0,07	0,20	0,36	0,07	0,20	0,35	.E..GE

LightMachining

GeneralPurpose

HeavyMachining

Recommended Starting Feeds [IPT]

Insert Geometry	Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae)															Insert Geometry
	10%			20%			30%			40%			50–100%
.E..GE	.005	.014	.024	.004	.010	.018	.003	.009	.015	.003	.008	.014	.003	.008	.014	.E..GE

LightMachining

GeneralPurpose

HeavyMachining

Recommended Starting Speeds [m/min]

Material Group		KC522M			KCK15			KCK20			KCPK30			KCPM40			KCSM40			KC725M
P	1	329	287	268	–	–	–	–	–	–	453	396	369	296	259	244	–	–	–	260	230	215
	2	274	241	201	–	–	–	–	–	–	280	253	229	250	216	180	–	–	–	220	190	160
	3	253	213	177	–	–	–	–	–	–	253	229	207	229	195	158	–	–	–	200	170	140
	4	226	186	149	–	–	–	–	–	–	189	175	158	204	171	134	–	–	–	180	150	120
	5	186	168	149	–	–	–	–	–	–	259	232	210	171	155	134	134	99	70	150	135	120
	6	165	125	101	–	–	–	–	–	–	158	137	116	149	116	91	114	184	50	130	100	80
M	1	204	180	165	–	–	–	–	–	–	207	183	157	195	171	155	259	184	114	170	150	135
	2	186	158	131	–	–	–	–	–	–	186	162	140	174	149	125	230	171	105	155	130	110
	3	140	122	94	–	–	–	–	–	–	145	131	116	131	116	91	191	134	85	115	100	80
K	1	229	207	183	421	383	340	330	220	150	294	267	238	–	–	–	–	–	–	–	–	–
	2	180	162	149	334	297	277	250	180	125	235	210	192	–	–	–	–	–	–	–	–	–
	3	149	134	122	280	248	229	220	150	120	197	175	162	–	–	–	–	–	–	–	–	–
N	1	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
	2	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
	3	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
S	1	40	37	27	–	–	–	–	–	–	–	–	–	40	34	30	61	44	27	35	30	25
	2	40	37	27	–	–	–	–	–	–	–	–	–	40	34	30	55	40	26	35	30	25
	3	52	40	27	–	–	–	–	–	–	–	–	–	49	40	30	64	46	29	45	35	25
	4	70	52	37	–	–	–	–	–	–	–	–	–	64	49	34	90	66	41	60	45	30
H	1	119	91	70	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–

Recommended Starting Speeds [SFM]

Material Group		KC522M			KCK15			KCK20			KCPK30			KCPM40			KCSM40			KC725M
P	1	1080	940	880	–	–	–	–	–	–	1485	1300	1210	970	850	800	–	–	–	850	750	710
	2	900	790	660	–	–	–	–	–	–	920	830	750	820	710	590	–	–	–	720	620	520
	3	830	700	580	–	–	–	–	–	–	830	750	680	750	640	520	–	–	–	660	560	460
	4	740	610	490	–	–	–	–	–	–	620	575	520	670	560	440	–	–	–	590	490	390
	5	610	550	490	–	–	–	–	–	–	850	760	690	560	510	440	440	325	230	490	440	390
	6	540	410	330	–	–	–	–	–	–	520	450	380	490	380	300	375	605	165	430	330	260
M	1	670	590	540	–	–	–	–	–	–	680	600	515	640	560	510	850	605	375	560	490	440
	2	610	520	430	–	–	–	–	–	–	610	530	460	570	490	410	755	560	345	510	430	360
	3	460	400	310	–	–	–	–	–	–	475	430	380	430	380	300	625	440	280	380	330	260
K	1	750	680	600	1380	1255	1115	1080	720	490	965	875	780	–	–	–	–	–	–	–	–	–
	2	590	530	490	1095	975	910	820	590	410	770	690	630	–	–	–	–	–	–	–	–	–
	3	490	440	400	920	815	750	720	490	390	645	575	530	–	–	–	–	–	–	–	–	–
N	1	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
	2	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
	3	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
S	1	130	120	90	–	–	–	–	–	–	–	–	–	130	110	100	200	145	90	110	100	80
	2	130	120	90	–	–	–	–	–	–	–	–	–	130	110	100	180	130	85	110	100	80
	3	170	130	90	–	–	–	–	–	–	–	–	–	160	130	100	210	150	95	150	110	80
	4	230	170	120	–	–	–	–	–	–	–	–	–	210	160	110	295	215	135	200	150	100
H	1	390	300	230	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–

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Mill 4™-12^KT • Shell Mill • Coarse Pitch • Inch

Mill 4™-12KT • Coarse Pitch • Shell Mill

Features and benefits

Uses and application

Workpiece Materials

Insert Selection Guide

Recommended Starting Feeds [mm]

Recommended Starting Feeds [IPT]

Recommended Starting Speeds [m/min]

Recommended Starting Speeds [SFM]

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Mill 4™-12KT • Shell Mill • Coarse Pitch • Inch

Mill 4™-12KT • Coarse Pitch • Shell Mill

Features and benefits

Uses and application

Workpiece Materials

Insert Selection Guide

Recommended Starting Feeds [mm]

Recommended Starting Feeds [IPT]

Recommended Starting Speeds [m/min]

Recommended Starting Speeds [SFM]

Support

Shop

Careers

✉ Stay In Touch

⤓ NOVO App

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Mill 4™-12^KT • Shell Mill • Coarse Pitch • Inch