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DUO-LOCK™ • HARVI™ I TE • Square End • 4 Flutes • Inch

Name: DUO-LOCK™ • HARVI™ I TE • Square End • 4 Flutes • Inch
SKU: 6953291
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HARVI™ I TE Four Flute End Mill for Roughing and Finishing Covering the Broadest Range of Applications and Materials

Material Number6953291

ISO Catalog IDH1TE4SE1250R188DLANSI Catalog IDH1TE4SE1250R188DL

DUO-LOCK™ - HARVI™ I TE - Square End - 4 Flutes - Inch 6953291 - Kennametal

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P Steel
M Stainless Steel
K Cast Iron
S High-Temp Alloys
H Hardened Materials
Helical Milling
Plunge Milling
Ramping: Blank
Slotting: Square End
Side Milling/Shoulder Milling: Square End
Corner Style: Square End
Pocketing

Overview
Application Data
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Metric

Inch

Material Number	6953291
ISO Catalog ID	H1TE4SE1250R188DL
ANSI Catalog ID	H1TE4SE1250R188DL
Grade	KCPM15
Adapter Style Machine Side	DUO-LOCK
[D] Adapter / Shank / Bore Diameter	31.75 mm
[D] Adapter / Shank / Bore Diameter	1.25 in
[L1] Gage Length	71.5 mm
[L1] Gage Length	2.815 in
[CSMS] System Size Machine Side	DL32
[WF] Width of Flat	28 mm
[WF] Width of Flat	1.1024 in
[Z] Number of Flutes	4
[D1] Effective Cutting Diameter	31.75 mm
[D1] Effective Cutting Diameter	1.25 in
[AP1MAX] 1st Maximum Cutting Depth	47.625 mm
[AP1MAX] 1st Maximum Cutting Depth	1.875 in

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Workpiece Materials

Steel
Stainless Steel
Cast Iron
High-Temp Alloys
Hardened Materials

Uses and application

Helical Milling
Plunge Milling
Ramping: Blank
Slotting: Square End
Side Milling/Shoulder Milling: Square End
Corner Style: Square End
Pocketing

Grades

KCPM15

Coated carbide grade with thick PVD coating and optimized chemistry and process for increased wear resistance. Outstanding protection in milling stainless steel to mitigate crater, DOCN (depth-of-cut notching), and flank wear. Excellent performance up to 52 HRC.

Features and benefits

Versatile modular end mill for steels, stainless steel, cast iron and high temperature alloys
Covers a variety of operations, including dynamic milling, and extreme ramping operations
Maximum metal removal, maximum productivity, maximum benefit
Asymmetrical divided flutes, variable helix, twisted end face, facteted eccentric relief and chip gashes within the flutes
Center cutting for plunging and ramping operations

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Application Data

Material Group		Max Depth				Recommended feed per tooth (fz = IPT) for Helical Interpolation and Ramping z_eff= 2
			KCPM15–KCSM15
			Cutting Speed Vc SFM			Diameter D1 [Ømin Ømax] for helical interpolation
			Min	Start	Max	frac.	3/8	1/2	5/8	3/4	1	1 1/4
P	0	1 x D	410	490	580	IPT	0.0022	0.0026	0.003	0.0034	0.0037	0.0041
	1	1 x D	410	490	580	IPT	0.0022	0.0026	0.003	0.0034	0.0037	0.0041
	2	1 x D	410	490	580	IPT	0.0022	0.0026	0.003	0.0034	0.0037	0.0041
	3	1 x D	360	430	490	IPT	0.0019	0.0021	0.0026	0.0031	0.0035	0.0037
	4	1 x D	250	360	460	IPT	0.0016	0.0019	0.0023	0.0027	0.003	0.0032
	5	0.75 x D	160	230	300	IPT	0.0015	0.0017	0.0021	0.0024	0.0028	0.003
	6	0.75 x D	130	180	230	IPT	0.0012	0.0014	0.0017	0.002	0.0022	0.0024
M	1	0.75 x D	250	300	330	IPT	0.0019	0.0021	0.0026	0.0031	0.0035	0.0037
	2	0.75 x D	150	180	220	IPT	0.0015	0.0017	0.0021	0.0024	0.028	0.003
	3	0,5 x D	130	160	210	IPT	0.0012	0.0014	0.0017	0.002	0.0022	0.0024
K	1	1 x D	360	400	460	IPT	0.0022	0.0026	0.003	0.0034	0.0037	0.0041
	2	1 x D	330	380	430	IPT	0.0019	0.0021	0.0026	0.0031	0.0035	0.0037
	3	0.75 x D	300	340	390	IPT	0.0015	0.0017	0.0021	0.0024	0.028	0.003
S	1	0,5 x D	130	190	260	IPT	0.0019	0.0021	0.0026	0.0031	0.0035	0.0037
	2	0,5 x D	130	180	230	IPT	0.0015	0.0017	0.0021	0.0024	0.028	0.003
	3	0,3 x D	60	80	110	IPT	0.0009	0.0011	0.0014	0.0016	0.0019	0.002
	4	0,75 x D	130	150	160	IPT	0.0013	0.0016	0.002	0.0022	0.0025	0.0028
H	1	0,75 x D	230	320	390	IPT	0.0016	0.0019	0.0023	0.0027	0.003	0.0032
H	2	0,75 x D	185	255	315	IPT	0.0011	0.0013	0.0016	0.0019	0.0021	0.0022

Material Group					KCPM15–KCSM15			Recommended feed per revolution (fn =mm/rev) for plunging and drilling
					Cutting Speed vc m/min			D1 Diameter
		Max Depth	Applicable	Coolant	Min	Start	Max	frac.	3/8	1/2	5/8	3/4	1	1-1/4
P	0	1 x D		Preferred	360	430	490	IPR	0.0022	0.0026	0.0033	0.0044	0.0051	0.006
	1	1 x D		Required	360	430	490	IPR	0.0022	0.0026	0.0033	0.0044	0.0051	0.006
	2	1 x D		Required	360	430	490	IPR	0.0022	0.0026	0.0033	0.0044	0.0051	0.006
	3	1 x D		Required	330	350	390	IPR	0.0017	0.0019	0.003	0.0035	0.0041	0.0053
	4	1 x D		Required	220	280	330	IPR	0.0017	0.0019	0.003	0.0035	0.0041	0.0053
	5	0.75 x D		Required	150	160	210	IPR	0.0011	0.0014	0.0018	0.0024	0.0028	0.003
	6	0.75 x D		Required	130	150	190	IPR	0.0011	0.0014	0.0018	0.0024	0.0028	0.003
M	1	0.75 x D		Required	190	220	260	IPR	0.0017	0.0019	0.003	0.0035	0.0041	0.0053
	2	0.75 x D		Required	130	150	190	IPR	0.0011	0.0014	0.0018	0.0024	0.0028	0.003
	3	0.5 x D		Required	110	130	160	IPR	0.0011	0.0014	0.0018	0.0024	0.0028	0.003
K	1	1 x D		Preferred	330	360	390	IPR	0.0022	0.0026	0.0033	0.0044	0.0051	0.006
	2	1 x D		Required	300	330	360	IPR	0.0017	0.0019	0.003	0.0035	0.0041	0.0053
	3	0.75 x D		Required	250	280	330	IPR	0.0017	0.0019	0.003	0.0035	0.0041	0.0053
S	1	0.5 x D		Required	100	130	180	IPR	0.0017	0.0019	0.003	0.0035	0.0041	0.0053
	2	0.5 x D		Required	100	120	150	IPR	0.0011	0.0014	0.0018	0.0024	0.0028	0.003
	3	0.3 x D		Required	50	60	90	IPR	0.0007	0.0009	0.0012	0.0017	0.0019	0.0023
	4	0.75 x D		Required	100	110	130	IPR	0.0011	0.0014	0.0018	0.0024	0.0028	0.003
H	1	0.75 x D		Required	190	220	260	IPR	0.0017	0.0019	0.003	0.0035	0.0041	0.0053
H	2

Material Group					short			medium			long			Recommended feed per tooth (IPT = inch/th) for side milling (A). For slotting (B), reduce IPT by 20%.
		A		B	adapter reach									D1 Diameter
					KCPM15			KCPM15			KCPM15			D1 Diameter
					Cutting Speed vc SFM			Cutting Speed vc SFM			Cutting Speed vc SFM			frac.	3/8	1/2	5/8	3/4	1	1 1/4
		ap	ae	ap	Min		Max	Min		Max	Min		Max	dec.	.3750	.5000	.6250	.7500	1.2500	1.2500
P	0	1.5 x D	0.5 x D	1 x D	490	–	660	441	–	594	441	–	594	IPT	0.0027	0.0034	0.0039	0.0044	0.0049	0.0049
	1	1.5 x D	0.5 x D	1 x D	490	–	660	441	–	594	441	–	594	IPT	0.0027	0.0034	0.0039	0.0044	0.0049	0.0049
	2	1.5 x D	0.5 x D	1 x D	460	–	620	414	–	558	414	–	558	IPT	0.0027	0.0034	0.0039	0.0044	0.0049	0.0049
	3	1.5 x D	0.5 x D	1 x D	390	–	520	351	–	468	351	–	468	IPT	0.0023	0.0029	0.0034	0.0039	0.0045	0.0048
	4	1.5 x D	0.5 x D	0.75 x D	300	–	490	270	–	441	270	–	441	IPT	0.0020	0.0026	0.0030	0.0034	0.0039	0.0040
	5	1.5 x D	0.5 x D	1 x D	200	–	330	170	–	281	160	–	264	IPT	0.0018	0.0023	0.0027	0.0031	0.0036	0.0039
	6	1.5 x D	0.5 x D	0.75 x D	160	–	250	136	–	213	128	–	200	IPT	0.0015	0.0019	0.0022	0.0025	0.0028	0.0029
M	1	1.5 x D	0.5 x D	1 x D	300	–	380	240	–	304	210	–	266	IPT	0.0023	0.0029	0.0034	0.0039	0.0045	0.0048
	2	1.5 x D	0.5 x D	1 x D	200	–	260	160	–	208	140	–	182	IPT	0.0018	0.0023	0.0027	0.0031	0.0036	0.0039
	3	1.5 x D	0.5 x D	1 x D	200	–	230	160	–	184	140	–	161	IPT	0.0015	0.0019	0.0022	0.0025	0.0028	0.0029
K	1	1.5 x D	0.5 x D	1 x D	390	–	490	351	–	441	351	–	441	IPT	0.0027	0.0034	0.0039	0.0044	0.0049	0.0049
	2	1.5 x D	0.5 x D	1 x D	360	–	460	324	–	414	324	–	414	IPT	0.0023	0.0029	0.0034	0.0039	0.0045	0.0048
	3	1.5 x D	0.5 x D	1 x D	360	–	430	324	–	387	324	–	387	IPT	0.0018	0.0023	0.0027	0.0031	0.0036	0.0039
S	1	1.5 x D	0.3 x D	0.3 x D	160	–	300	128	–	240	96	–	180	IPT	0.0023	0.0029	0.0034	0.0039	0.0045	0.0048
	2	1.5 x D	0.3 x D	0.3 x D	160	–	260	128	–	208	96	–	156	IPT	0.0018	0.0023	0.0027	0.0031	0.0036	0.0039
	3	1.5 x D	0.5 x D	1 x D	80	–	130	64	–	104	48	–	78	IPT	0.0012	0.0015	0.0018	0.0021	0.0024	0.0026
	4	1.5 x D	0.5 x D	1 x D	160	–	200	128	–	160	96	–	120	IPT	0.0017	0.0021	0.0025	0.0028	0.0033	0.0036
H	1	1.5 x D	0.5 x D	0.75 x D	260	–	460	208	–	368	156	–	276	IPT	0.0020	0.0026	0.0030	0.0034	0.0039	0.0040
H	2	1.5 x D	0.2 x D	0.5 x D	230	–	390	184	–	312	138	–	234	IPT	0.0015	0.0019	0.0022	0.0025	0.0028	0.0029

Material Group					KCPM15 KCSM15			Recommended feed per revolution (fn =mm/rev) for plunging and drilling
					Cutting Speed vc m/min			D1 Diameter
		Max Depth	Applicable	Coolant	Min	Start	Max	mm	10,0	12,0	16,0	20,0	25,0	32,0
P	0	1 x D		Preferred	110	130	150	fn	0,056	0,067	0,084	0,112	0,126	0,150
	1	1 x D		Required	110	130	150	fn	0,056	0,067	0,084	0,112	0,126	0,150
	2	1 x D		Required	110	130	150	fn	0,056	0,067	0,084	0,112	0,126	0,150
	3	1 x D		Required	100	105	120	fn	0,042	0,049	0,075	0,088	0,105	0,135
	4	1 x D		Required	70	85	100	fn	0,042	0,049	0,075	0,088	0,105	0,135
	5	0,75 x D		Required	45	50	65	fn	0,028	0,035	0,046	0,060	0,070	0,076
	6	0,75 x D		Required	40	45	60	fn	0,028	0,035	0,046	0,060	0,070	0,076
M	1	0,75 x D		Required	60	70	80	fn	0,042	0,049	0,075	0,088	0,105	0,135
	2	0,75 x D		Required	40	45	60	fn	0,028	0,035	0,046	0,060	0,070	0,076
	3	0,5xD		Required	35	40	50	fn	0,028	0,035	0,046	0,060	0,070	0,076
K	1	1 x D		Preferred	100	110	120	fn	0,056	0,067	0,084	0,112	0,126	0,150
	2	1 x D		Required	90	100	110	fn	0,042	0,049	0,075	0,088	0,105	0,135
	3	0,75 x D		Required	75	85	100	fn	0,042	0,049	0,075	0,088	0,105	0,135
S	1	0,5 x D		Required	35	40	55	fn	0,042	0,049	0,075	0,088	0,105	0,135
	2	0,5 x D		Required	30	35	45	fn	0,028	0,035	0,046	0,060	0,070	0,076
	3	0,3 x D		Required	15	20	28	fn	0,019	0,023	0,031	0,042	0,049	0,058
	4	0,75 x D		Required	30	35	40	fn	0,031	0,035	0,045	0,058	0,070	0,076
H	1	0,75 x D		Required	60	70	80	fn	0,042	0,049	0,075	0,088	0,105	0,135
H	2	0,75 x D		Required	50	60	70	fn	0,029	0,034	0,053	0,062	0,074	0,095

Material Group		Max Depth				Recommended feed per tooth (fz = mm/z) for Helical Interpolation and Ramping z_eff= 2
			KCPM15–KCSM15
			Cutting Speed vc m/min			Diameter D1 [Ømin Ømax] for helical interpolation
			Min	Start	Max	mm	10,0	12,0	16,0	20,0	25,0	32,0
P	0	1 x D	125	150	175	fz	0,055	0,065	0,075	0,087	0,095	0,105
	1	1 x D	125	150	175	fz	0,055	0,065	0,075	0,087	0,095	0,105
	2	1 x D	125	150	175	fz	0,055	0,065	0,075	0,087	0,095	0,105
	3	1 x D	110	130	150	fz	0,047	0,054	0,067	0,078	0,088	0,095
	4	1 x D	75	110	140	fz	0,041	0,048	0,059	0,068	0,075	0,080
	5	0,75 x D	50	70	90	fz	0,037	0,043	0,054	0,062	0,070	0,075
	6	0,75 x D	40	55	70	fz	0,031	0,036	0,044	0,050	0,055	0,060
M	1	0,75 x D	75	90	105	fz	0,047	0,054	0,067	0,078	0,088	0,095
	2	0,75 x D	45	55	70	fz	0,037	0,043	0,054	0,062	0,070	0,075
	3	0,5 x D	40	50	65	fz	0,031	0,036	0,044	0,050	0,055	0,060
K	1	1 x D	110	125	140	fz	0,055	0,065	0,075	0,087	0,095	0,105
	2	1 x D	100	115	130	fz	0,047	0,054	0,067	0,078	0,088	0,095
	3	0,75 x D	90	105	120	fz	0,037	0,043	0,054	0,062	0,070	0,075
S	1	0,5 x D	40	60	80	fz	0,047	0,054	0,067	0,078	0,088	0,095
	2	0,5 x D	40	55	70	fz	0,037	0,043	0,054	0,062	0,070	0,075
	3	0,3 x D	20	25	35	fz	0,024	0,029	0,036	0,041	0,047	0,050
	4	0,75 x D	40	45	50	fz	0,034	0,040	0,050	0,057	0,064	0,070
H	1	0,75 x D	70	100	120	fz	0,041	0,048	0,059	0,068	0,075	0,080
H	2	0,75 x D	60	90	110	fz	0,029	0,034	0,041	0,048	0,053	0,056

1.5xD	0.5XD	1xD	150	-	200	135	-	180	135	-	180	Fz	0.072	0.083	0.101	0.108	0.114	0.124	0.125
1.5xD	0.5XD	1xD	150	-	200	135	-	180	135	-	180	Fz	0.072	0.083	0.101	0.108	0.114	0.124	0.125
1.5xD	0.5XD	1xD	140	-	190	126	-	171	126	-	171	Fz	0.072	0.083	0.101	0.108	0.114	0.124	0.125
1.5xD	0.5XD	1xD	120	-	160	108	-	144	108	-	144	Fz	0.061	0.070	0.087	0.095	0.101	0.114	0.123
1.5xD	0.5XD	0.75xD	90	-	150	81	-	135	81	-	135	Fz	0.054	0.062	0.077	0.083	0.088	0.098	0.102
1.5xD	0.5XD	1xD	60	-	100	51	-	85	48	-	80	Fz	0.048	0.056	0.070	0.076	0.081	0.091	0.099
1.5xD	0.5XD	0.75xD	50	-	75	43	-	64	40	-	60	Fz	0.040	0.047	0.057	0.061	0.065	0.071	0.073
1.5xD	0.5XD	1xD	90	-	115	72	-	92	63	-	81	Fz	0.061	0.070	0.087	0.095	0.101	0.114	0.123
1.5xD	0.5XD	1xD	60	-	80	48	-	64	42	-	56	Fz	0.048	0.056	0.070	0.076	0.081	0.091	0.099
1.5xD	0.5XD	1xD	60	-	70	48	-	56	42	-	49	Fz	0.040	0.047	0.057	0.061	0.065	0.071	0.073
1.5xD	0.5XD	1xD	120	-	150	108	-	135	108	-	135	Fz	0.072	0.083	0.101	0.108	0.114	0.124	0.125
1.5xD	0.5XD	1xD	110	-	140	99	-	126	99	-	126	Fz	0.061	0.070	0.087	0.095	0.101	0.114	0.123
1.5xD	0.5XD	1xD	110	-	130	99	-	117	99	-	117	Fz	0.048	0.056	0.070	0.076	0.081	0.091	0.099
1.5xD	0.3XD	0.3XD	50	-	90	40	-	72	30	-	54	Fz	0.061	0.070	0.087	0.095	0.101	0.114	0.123
1.5xD	0.3XD	0.3XD	50	-	80	40	-	64	30	-	48	Fz	0.048	0.056	0.070	0.076	0.081	0.091	0.099
1.5xD	0.3XD	0.3XD	50	-	80	40	-	64	30	-	48	Fz	0.032	0.037	0.046	0.050	0.054	0.061	0.067
1.5xD	0.5XD	1xD	50	-	60	40	-	48	30	-	36	Fz	0.045	0.052	0.064	0.069	0.074	0.084	0.090
1.5xD	0.5XD	0.75xD	80	-	140	64	-	112	48	-	84	Fz	0.054	0.062	0.077	0.083	0.088	0.098	0.102
1.5xD	0.2XD	0.5xD	70	-	120	56	-	96	42	-	72	Fz	0.040	0.047	0.057	0.061	0.065	0.071	0.073

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