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Mill 4-15™ • End Mill • Screw-On • Inch

Name: Mill 4-15™ • End Mill • Screw-On • Inch
SKU: 104202298
Rating: 0 (0 reviews)

Shoulder milling cutter for multiple materials

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Features and benefits

True 90° capabilities. Stepless solution when using multiple steps.
Superior wall and surface finish capabilities.
Internal coolant supply.

Face Milling
Slotting: Square End
Side Milling/Shoulder Milling: Square End
Shank - Screw-On
Milling - Through Coolant

Insert Selection
Feeds
Speeds
Application Data
Reviews
Q&A

Mill 4-15™ • Insert Selection Guide
Material Group	Light Machining		General Purpose		Heavy Machining
–	(Light geometry)		–		(Strong geometry)
–	wear resistance				toughness
–	Geometry	Grade	Geometry	Grade	Geometry	Grade
P1-P2	.E..GE	KCPM40	.S..GE	KCPM40	.S..GEM	KCPM40
P3-P4	.E..GE	KCPM40	.S..GE	KCPK30	.S..GEM	KCPK30
P5-P5	.E..GE	KC725M	.S..GE	KC725M	.S..GEM	KCPK30
M1-M2	.E..GE	KCSM40	.S..GE	KCSM40	.S..GEM	KCPM40
M3	.E..GE	KCPM40	.S..GE	KCPM40	.S..GEM	KCPM40
K1-K2	.S..GE	KCK20B	.S..GE	KCK15	.S..GEM	KCK20B
K3	.S..GE	KCK20B	.S..GE	KCK15	.S..GEM	KCK20B
N1-N2	.E..GEJ	KC422M	.E..GEJ	KC422M	.E..GEJ	KC422M
N3	.E..GEJ	KC422M	.E..GEJ	KC422M	.E..GEJ	KC422M
S1-S2	.E..GE	KC725M	.S..GE	KC725M	.S..GE	KC725M
S3	.E..GE	KCSM40	.S..GE	KCSM40	.S..GE	KCSM40
S4	.E..GE	KCSM40	.S..GE	KCSM40	.S..GE	KCSM40
H1	–	–	–	–	–	–

Recommended Starting Feeds [mm]

Mill 4-15™ • Recommended Starting Feeds [mm/th]
Insert Geometry	Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae)
	5%			10%			20%			30%			40–100%
	L	M	H	L	M	H	L	M	H	L	M	H	L	M	H
.E..GEJ	0,12	0,47	0,84	0,08	0,34	0,60	0,06	0,26	0,45	0,06	0,22	0,39	0,05	0,20	0,36
.E..GE	0,23	0,54	0,93	0,17	0,39	0,67	0,13	0,29	0,50	0,11	0,25	0,44	0,10	0,23	0,40
.S..GE	0,23	0,59	0,95	0,17	0,43	0,68	0,13	0,32	0,51	0,11	0,28	0,44	0,10	0,25	0,41
.S..GER	0,23	0,59	0,95	0,17	0,43	0,68	0,13	0,32	0,51	0,11	0,28	0,44	0,10	0,25	0,41
.S..GEM	0,23	0,59	0,95	0,17	0,43	0,68	0,13	0,32	0,51	0,11	0,28	0,44	0,10	0,25	0,41
L = Light Machining; M = Medium Machining; H = Heavy Machining NOTE: Use Light Machining values as starting feed rate.

Mill 4-15™ • Recommended Starting Feeds [IPT]
Insert Geometry	Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae)
	5%			10%			20%			30%			40–100%
	L	M	H	L	M	H	L	M	H	L	M	H	L	M	H
.E..GEJ	0.005	0.019	0.034	0.003	0.014	0.024	0.003	0.010	0.018	0.002	0.009	0.016	0.002	0.008	0.014
.E..GE	0.009	0.020	0.035	0.007	0.015	0.025	0.005	0.011	0.019	0.004	0.009	0.016	0.004	0.009	0.015
.S..GE	0.009	0.023	0.037	0.007	0.017	0.027	0.005	0.013	0.020	0.004	0.011	0.017	0.004	0.010	0.016
.S..GER	0.009	0.023	0.037	0.007	0.017	0.027	0.005	0.013	0.020	0.004	0.011	0.017	0.004	0.010	0.016
.S..GEM	0.009	0.023	0.037	0.007	0.017	0.027	0.005	0.013	0.020	0.004	0.011	0.017	0.004	0.010	0.016
L = Light Machining; M = Medium Machining; H = Heavy Machining NOTE: Use Light Machining values as starting feed rate.

Mill 4-15™ • Recommended Starting Speed [m/min]
Grade		KCPM20			KC422M			KC522M			KC725M			KCK15			KCPK30			KCK20B			KCPM40			KCSM30			KCSM40
Chip Thickness hex mm		Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max
Material Group		Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min
P	1	550	485	450	–	–	–	330	285	270	260	230	215	–	–	–	455	395	370	–	–	–	295	260	245	370	320	300	350	320	300
	2	340	310	275	–	–	–	275	240	200	220	190	160	–	–	–	280	255	230	–	–	–	250	215	180	305	270	220	300	270	220
	3	310	275	255	–	–	–	255	215	175	200	170	140	–	–	–	255	230	205	–	–	–	230	195	160	285	240	195	280	240	195
	4	230	215	190	–	–	–	225	185	150	180	150	120	–	–	–	225	185	160	–	–	–	205	170	135	250	205	165	240	205	165
	5	275	250	230	–	–	–	185	170	150	150	135	120	–	–	–	190	170	150	–	–	–	170	155	135	205	190	165	200	180	160
	6	190	170	145	–	–	–	165	125	100	130	100	80	–	–	–	160	135	110	–	–	–	150	115	90	185	140	110	180	140	100
M	1	225	200	175	–	–	–	205	180	165	170	150	135	–	–	–	205	185	155	–	–	–	195	170	155	225	180	170	260	210	185
	2	205	175	160	–	–	–	185	160	130	155	130	110	–	–	–	185	160	140	–	–	–	175	150	125	205	160	135	235	180	145
	3	160	145	125	–	–	–	140	120	95	115	100	80	–	–	–	145	130	115	–	–	–	130	115	90	155	125	95	175	145	110
K	1	360	325	295	–	–	–	230	205	185	–	–	–	420	385	340	295	265	240	360	290	245	–	–	–	–	–	–	–	–	–
	2	285	255	235	–	–	–	180	160	150	–	–	–	335	295	275	235	210	190	280	230	195	–	–	–	–	–	–	–	–	–
	3	240	215	200	–	–	–	150	135	120	–	–	–	280	250	230	195	175	160	210	175	140	–	–	–	–	–	–	–	–	–
N	1	–	–	–	1075	945	875	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
	2	–	–	–	945	875	760	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
	3	–	–	–	945	875	760	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
S	1	–	–	–	–	–	–	40	35	25	35	30	25	–	–	–	–	–	–	–	–	–	40	35	30	45	40	30	50	40	25
	2	–	–	–	–	–	–	40	35	25	35	30	25	–	–	–	–	–	–	–	–	–	40	35	30	45	40	30	55	40	25
	3	–	–	–	–	–	–	50	40	25	45	35	25	–	–	–	–	–	–	–	–	–	50	40	30	55	45	30	65	45	30
	4	–	–	–	–	–	–	50	45	35	50	45	30	–	–	–	50	45	35	–	–	–	55	50	35	60	55	40	75	60	40
H	1	140	115	95	–	–	–	120	90	70	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	135	100	75	–	–	–
As the average chip thickness increases, speed should be decreased. Material groups P, M, K and H show recommended starting speeds for dry machining. For wet machining, reduce speed by 20%. Material groups N and S show recommended starting speeds for wet machining. Not recommended for dry machining.

Mill 4-15™ • Recommended Starting Speed [SFM]
Grade		KCPM20			KC422M			KC522M			KC725M			KCK15			KCPK30			KCK20B			KCPM40			KCSM30			KCSM40
Chip Thickness hex Inch		Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max	Min		Max
Material Group		Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min	Max	Start	Min
P	1	1805	1590	1475	–	–	–	1085	935	885	855	755	705	–	–	–	1495	1295	1215	–	–	–	970	855	805	1215	1050	985	1150	1050	985
	2	1115	1015	900	–	–	–	900	785	655	720	625	525	–	–	–	920	835	755	–	–	–	820	705	590	1000	885	720	985	885	720
	3	1015	900	835	–	–	–	835	705	575	655	560	460	–	–	–	835	755	675	–	–	–	755	640	525	935	785	640	920	785	640
	4	755	705	625	–	–	–	740	605	490	590	490	395	–	–	–	740	605	525	–	–	–	675	560	445	820	675	540	785	675	540
	5	900	820	755	–	–	–	605	560	490	490	445	395	–	–	–	625	560	490	–	–	–	560	510	445	675	625	540	655	590	525
	6	625	560	475	–	–	–	540	410	330	425	330	260	–	–	–	525	445	360	–	–	–	490	375	295	605	460	360	590	460	330
M	1	740	655	575	–	–	–	675	590	540	560	490	445	–	–	–	675	605	510	–	–	–	640	560	510	740	590	560	855	690	605
	2	670	575	525	–	–	–	605	525	425	510	425	360	–	–	–	605	525	460	–	–	–	575	490	410	675	525	445	770	590	475
	3	525	475	410	–	–	–	460	395	310	375	330	260	–	–	–	475	425	375	–	–	–	425	375	295	510	410	310	575	475	360
K	1	1180	1065	970	–	–	–	755	675	605	–	–	–	1380	1265	1115	970	870	785	1180	950	805	–	–	–	–	–	–	–	–	–
	2	935	835	770	–	–	–	590	525	490	–	–	–	1100	970	900	770	690	625	920	755	640	–	–	–	–	–	–	–	–	–
	3	785	705	655	–	–	–	490	445	395	–	–	–	920	820	755	640	575	525	690	575	460	–	–	–	–	–	–	–	–	–
N	1	–	–	–	2100	1870	1725	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
	2	–	–	–	1905	1755	1610	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
	3	–	–	–	1905	1755	1610	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–
S	1	–	–	–	–	–	–	130	115	80	115	100	80	–	–	–	–	–	–	–	–	–	130	115	100	150	130	100	165	130	80
	2	–	–	–	–	–	–	130	115	80	115	100	80	–	–	–	–	–	–	–	–	–	130	115	100	150	130	100	180	130	80
	3	–	–	–	–	–	–	165	130	80	150	115	80	–	–	–	–	–	–	–	–	–	165	130	100	180	150	100	215	150	100
	4	–	–	–	–	–	–	165	150	115	165	150	100	–	–	–	165	150	115	–	–	–	180	165	115	195	180	130	245	195	130
H	1	460	375	310	–	–	–	395	295	230	–	–	–	–	–	–	–	–	–	–	–	–	–	–	–	445	330	245	–	–	–
As the average chip thickness increases, speed should be decreased. Material groups P, M, K and H show recommended starting speeds for dry machining. For wet machining, reduce speed by 20%. Material groups N and S show recommended starting speeds for wet machining. Not recommended for dry machining.

Ramping Appplication Data


Mill 4-15™ • Ramping Appplication Data • SGE-R Geometry Insert [mm]
cutter diameter	max ramp angle [R]	DH min [mm] - (min hole diameter)	DH max [mm] - (max hole diameter)	DHI [mm] - (max flat-bottomed hole diameter)
25	2,63°	44,77	50	47,16
32	2,38°	58,64	64	60,81
35	2,12°	64,61	70	66,75
40	1,80°	74,57	80	76,82
50	1,38°	94,53	100	96,72
63	1,06°	120,52	126	122,72
80	0,82°	154,52	160	156,73
100	0,64°	194,52	200	196,73
125	0,51°	244,51	250	246,73
160	0,51°	314,51	320	316,74


Mill 4-15™ • Ramping Appplication Data • SGE-R Geometry Insert [Inch]
cutter diameter	max ramp angle [R]	DH min [Inch] - (min hole diameter)	DH max [Inch] - (max hole diameter)	DHI [Inch] - (max flat-bottomed hole diameter)
1"	2.60°	1.794"	2"	1.888"
1.25"	2.39°	2.289"	2.5"	2.374"
1.5"	1.91°	2.786"	3"	2.874"
2"	1.36°	3.784"	4"	3.871"
2.5"	1.05°	4.784"	5"	4.871"
3"	0.86°	5.784"	6"	5.781"
4"	0.63°	7.784"	8"	7.871"
5"	0.50°	9.784"	10"	9.871"
6"	0.41°	11.784"	12"	11.872"

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Mill 4-15™ • End Mill • Screw-On • Inch

Shoulder milling cutter for multiple materials