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SPHX-R21

Name: SPHX-R21
SKU: 2245862
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CTR Drilling Inserts

Material Number2245862

ISO Catalog IDSPHX120412R21ANSI Catalog IDSPHX120412R21

SPHX-R21 Holemaking - 2245862 - Kennametal

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P Steel
M Stainless Steel
K Cast Iron
S High-Temp Alloys

Overview
Application Data
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Metric

Inch

Material Number	2245862
ISO Catalog ID	SPHX120412R21
ANSI Catalog ID	SPHX120412R21
Grade	KC7215
[D] Insert IC Size	12.7 mm
[D] Insert IC Size	.5 in
[D1] Insert Hole Size	4.5 mm
[D1] Insert Hole Size	.1772 in
[S] Insert Thickness	4.76 mm
[S] Insert Thickness	.1874 in
[Rε] Corner Radius	1.2 mm
[Rε] Corner Radius	.0472 in
[GAA] Insert Rake Angle	4
[Clearance Angle Major	7
Clearning Angle Minor	7

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Workpiece Materials

Steel
Stainless Steel
Cast Iron
High-Temp Alloys

Grades

KC7215

Composition: PVD TiAlN coated fine-grain carbide.
Application: Best suited for machining of alloyed steel and cast iron. This grade offers reliable performance at intermediate cutting conditions.

Features and benefits

Double-sided insert style.

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Speeds & Feeds

Material Group		Cutting Speed vc			Metric
		Range m/min			Recommended Feed Rate (f) by Diameter
		Min	Starting Value	Max		SPHX06... Ø 15-22		SPHX07 Ø 18-26		SPHX09 Ø 23-37		SPHX12 Ø 24-47
P	1	100	140	180	mm/r	0,19	0,31	0,23	0,33	0,24	0,38	0,3	0,5
	2	90	125	160	mm/r	0,19	0,31	0,23	0,33	0,24	0,38	0,3	0,5
	3	80	110	140	mm/r	0,17	0,28	0,21	0,30	0,22	0,35	0,27	0,45
	4	70	100	120	mm/r	0,16	0,26	0,19	0,28	0,20	0,32	0,25	0,42
	5	60	85	100	mm/r	0,15	0,24	0,18	0,25	0,18	0,29	0,23	0,38
	6	50	70	90	mm/r	0,15	0,24	0,18	0,25	0,18	0,29	0,23	0,38
M	1	60	70	90	mm/r	0,11	0,21	0,14	0,24	0,16	0,26	0,18	0,33
	2	50	60	80	mm/r	0,11	0,21	0,14	0,24	0,16	0,26	0,18	0,33
	3	40	50	70	mm/r	0,09	0,17	0,11	0,19	0,13	0,21	0,14	0,26
K	1	100	160	240	mm/r	0,28	0,52	0,35	0,65	0,35	0,65	0,42	0,78
	2	80	120	160	mm/r	0,25	0,47	0,32	0,59	0,32	0,59	0,38	0,71
	3	70	100	130	mm/r	0,23	0,43	0,29	0,54	0,29	0,54	0,35	0,65
N	1	160	240	300	mm/r	0,06	0,14	0,26	0,33	0,28	0,35	0,34	0,46
	2	160	220	280	mm/r	0,06	0,14	0,26	0,33	0,28	0,35	0,34	0,46
	3	150	200	250	mm/r	0,06	0,14	0,26	0,33	0,28	0,35	0,34	0,46
	4	120	180	240	mm/r	0,06	0,14	0,26	0,33	0,28	0,35	0,34	0,46
	5	160	240	300	mm/r	0,06	0,14	0,26	0,33	0,28	0,35	0,34	0,46
	6	200	300	400	mm/r	0,06	0,14	0,26	0,33	0,28	0,35	0,34	0,46
S	1	30	40	60	mm/r	0,14	0,18	0,17	0,21	0,19	0,23	0,21	0,29
	2	25	35	50	mm/r	0,13	0,16	0,15	0,19	0,17	0,21	0,19	0,26
	3	20	30	40	mm/r	0,11	0,14	0,13	0,16	0,15	0,18	0,16	0,22
	4	20	25	35	mm/r	0,09	0,12	0,11	0,14	0,13	0,15	0,14	0,19

Material Group		Cutting Speed vc			Inch
		Range SFM			Recommended Feed Rate (f) by Diameter
		Min	Starting Value	Max		SPHX06... Ø 15-22		SPHX07 Ø 18-26		SPHX09 Ø 23-37		SPHX12 Ø 24-47
P	1	328	459	590	IPR	0.007	0.012	0.009	0.013	0.009	0.015	0.012	0.020
	2	295	410	525	IPR	0.007	0.012	0.009	0.013	0.009	0.015	0.012	0.020
	3	262	361	459	IPR	0.007	0.011	0.008	0.012	0.009	0.014	0.011	0.018
	4	230	328	393	IPR	0.006	0.010	0.008	0.011	0.008	0.012	0.010	0.016
	5	197	279	328	IPR	0.006	0.009	0.007	0.010	0.007	0.012	0.009	0.015
	6	164	230	295	IPR	0.006	0.009	0.007	0.010	0.007	0.012	0.009	0.015
M	1	197	230	295	IPR	0.004	0.008	0.006	0.009	0.006	0.010	0.007	0.013
	2	164	197	262	IPR	0.004	0.008	0.006	0.009	0.006	0.010	0.007	0.013
	3	131	164	230	IPR	0.003	0.007	0.004	0.008	0.005	0.008	0.006	0.010
K	1	328	525	787	IPR	0.011	0.020	0.014	0.026	0.014	0.026	0.017	0.031
	2	262	393	525	IPR	0.010	0.019	0.013	0.023	0.013	0.023	0.015	0.028
	3	230	328	426	IPR	0.009	0.017	0.011	0.021	0.011	0.021	0.014	0.026
N	1	525	787	984	IPR	0.002	0.006	0.010	0.013	0.011	0.014	0.013	0.018
	2	525	721	918	IPR	0.002	0.006	0.010	0.013	0.011	0.014	0.013	0.018
	3	492	656	820	IPR	0.002	0.006	0.010	0.013	0.011	0.014	0.013	0.018
	4	393	590	787	IPR	0.002	0.006	0.010	0.013	0.011	0.014	0.013	0.018
	5	525	787	984	IPR	0.002	0.006	0.010	0.013	0.011	0.014	0.013	0.018
	6	656	984	1311	IPR	0.002	0.006	0.010	0.013	0.011	0.014	0.013	0.018
S	1	98	131	197	IPR	0.006	0.007	0.007	0.008	0.007	0.009	0.008	0.011
	2	82	115	164	IPR	0.005	0.006	0.006	0.008	0.007	0.008	0.008	0.010
	3	66	98	131	IPR	0.004	0.005	0.005	0.006	0.006	0.007	0.006	0.009
	4	66	82	115	IPR	0.004	0.005	0.004	0.006	0.005	0.006	0.006	0.008

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