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Undercutting End Mills - 270° High Helix

Specialty Profiles

Featuring a 45° helix for faster chip removal and better finish, this 270° spherical ball Undercutting End Mill is CNC ground in the USA from solid carbide, and is optimized for undercutting, deburring, and multi-axis machining operations.

High helix for improved performance!
45° helix for faster chip removal and better finish in mild steels and non-ferrous alloys
270° spherical ball
Designed for undercutting, deburring and multi-axis machining
Center cutting
Solid carbide
CNC ground in the USA

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CUTTER DIA.	LOC	NECK DIA.	NECK LENGTH	FLUTES	SHANK DIA.	OAL	UNCOATED		AlTiN COATED		TiB2 COATED		Add to Cart	Default Sort
D₁ +.000"-.001"	L₂ +.010"-.000"		L₃ +.020"-.000"	#	D₂	L₁	TOOL #	PRICE	TOOL #	PRICE	TOOL #	PRICE	Add to Cart	Default Sort
1/32	.027	.016	.062	2	1/8	1-1/2	951131	$62.60	951131-C3	$67.20				00000001
1/32	.027	.016	.093	2	1/8	1-1/2	966531	$62.60	966531-C3	$67.20				00000002
.0394 (1 mm)	.033	.024	.078	2	1/8	1-1/2	95111M	$62.60	95111M-C3	$67.20				00000003
.0394 (1 mm)	.033	.024	.125	2	1/8	1-1/2	96651M	$62.60	96651M-C3	$67.20				00000004
3/64	.040	.029	.093	2	1/8	1-1/2	951147	$62.60	951147-C3	$67.20				00000005
3/64	.040	.029	.156	2	1/8	1-1/2	966547	$62.60	966547-C3	$67.20				00000006
1/16	.053	.037	.093	2	1/8	1-1/2	951162	$45.30	951162-C3	$49.90	951162-C8	$52.10		00000007
1/16	.053	.037	.125	2	1/8	1-1/2	773762	$46.80	773762-C3	$51.40				00000008
1/16	.053	.037	.187	2	1/8	1-1/2	966562	$46.80	966562-C3	$51.40	966562-C8	$53.60		00000009
1/16	.053	.037	.250	2	1/8	1-1/2	970462	$57.20	970462-C3	$61.80	970462-C8	$64.00		00000010
5/64	.067	.045	.125	2	1/8	1-1/2	951178	$45.30	951178-C3	$49.90	951178-C8	$52.10		00000011
5/64	.067	.045	.250	2	1/8	1-1/2	966578	$46.80	966578-C3	$51.40	966578-C8	$53.60		00000012
5/64	.067	.045	.375	2	1/8	2	970478	$57.20	970478-C3	$61.80	970478-C8	$64.00		00000013
3/32	.079	.054	.062	2	1/8	1-1/2	774493	$43.30	774493-C3	$47.90				00000014
3/32	.079	.054	.125	2	1/8	1-1/2	837393	$43.30	837393-C3	$47.90	837393-C8	$50.10		00000015
3/32	.079	.054	.250	2	1/8	1-1/2	951193	$45.30	951193-C3	$49.90	951193-C8	$52.10		00000016
3/32	.079	.054	.375	2	1/8	1-1/2	966593	$49.60	966593-C3	$54.20	966593-C8	$56.40		00000017
3/32	.079	.054	.500	2	1/8	2	970493	$57.20	970493-C3	$61.80	970493-C8	$64.00		00000018

CUTTER DIA.	LOC	NECK DIA.	NECK LENGTH	FLUTES	SHANK DIA.	OAL	UNCOATED		AlTiN COATED		TiB2 COATED		Add to Cart	Default Sort
D₁ +.000"-.002"	L₂ +.020"-.000"		L₃ +.030"-.000"	#	D₂	L₁	TOOL #	PRICE	TOOL #	PRICE	TOOL #	PRICE	Add to Cart	Default Sort
1/8	.107	.076	.125	4	1/8	1-1/2	934108	$39.70	934108-C3	$44.30	934108-C8	$46.50		00000001
1/8	.107	.076	.187	4	1/8	1-1/2	808608	$40.50	808608-C3	$45.10	808608-C8	$47.30		00000002
1/8	.107	.076	.250	4	1/8	1-1/2	951208	$41.40	951208-C3	$46.00	951208-C8	$48.20		00000003
1/8	.107	.076	.375	4	1/8	1-1/2	863708	$43.40	863708-C3	$48.00	863708-C8	$50.20		00000004
1/8	.107	.076	.500	4	1/8	1-1/2	994708	$45.30	994708-C3	$49.90	994708-C8	$52.10		00000005
1/8	.107	.076	1.000	4	1/8	3	997108	$51.30	997108-C3	$55.90	997108-C8	$58.10		00000006
1/8	.107	.076	1.500	4	1/8	3	928808	$54.70	928808-C3	$59.30	928808-C8	$61.50		00000007
5/32	.133	.098	.250	4	3/16	2	951210	$53.60	951210-C3	$58.60	951210-C8	$60.40		00000008
5/32	.133	.098	.500	4	3/16	2	994710	$57.70	994710-C3	$62.70	994710-C8	$64.50		00000009
5/32	.133	.098	1.000	4	3/16	3	997110	$65.90	997110-C3	$70.90	997110-C8	$72.70		00000010
3/16	.160	.117	.125	4	3/16	2	934112	$49.60	934112-C3	$54.60	934112-C8	$56.40		00000011
3/16	.160	.117	.250	4	3/16	2	951212	$51.00	951212-C3	$56.00	951212-C8	$57.80		00000012
3/16	.160	.117	.500	4	3/16	2	994712	$55.10	994712-C3	$60.10	994712-C8	$61.90		00000013
3/16	.160	.117	.750	4	3/16	2	897712	$57.70	897712-C3	$62.70	897712-C8	$64.50		00000014
3/16	.160	.117	1.000	4	3/16	3	997112	$65.90	997112-C3	$70.90	997112-C8	$72.70		00000015
3/16	.160	.117	1.250	4	3/16	3	893512	$69.30	893512-C3	$74.30	893512-C8	$76.10		00000016
1/4	.213	.158	.125	4	1/4	2-1/2	934116	$70.90	934116-C3	$77.70	934116-C8	$78.20		00000017
1/4	.213	.158	.250	4	1/4	2-1/2	808616	$72.50	808616-C3	$79.30	808616-C8	$79.80		00000018
1/4	.213	.158	.375	4	1/4	2-1/2	951216	$74.20	951216-C3	$81.00	951216-C8	$81.50		00000019
1/4	.213	.158	.500	4	1/4	2-1/2	863716	$76.60	863716-C3	$83.40	863716-C8	$83.90		00000020
1/4	.213	.158	.750	4	1/4	2-1/2	994716	$81.30	994716-C3	$88.10	994716-C8	$88.60		00000021
1/4	.213	.158	1.000	4	1/4	2-1/2	808516	$82.50	808516-C3	$89.30	808516-C8	$89.80		00000022
1/4	.213	.158	1.125	4	1/4	2-1/2	897716	$83.60	897716-C3	$90.40	897716-C8	$90.90		00000023
1/4	.213	.158	1.500	4	1/4	4	997116	$89.50	997116-C3	$97.40	997116-C8	$97.70		00000024
1/4	.213	.158	2.250	4	1/4	4	928816	$99.00	928816-C3	$106.90	928816-C8	$107.20		00000025
5/16	.266	.201	.750	4	5/16	2-1/2	994720	$94.50	994720-C3	$102.40	994720-C8	$110.00		00000026
5/16	.266	.201	1.500	4	5/16	4	997120	$112.20	997120-C3	$121.70	997120-C8	$131.00		00000027
3/8	.320	.241	.375	4	3/8	2-1/2	951224	$106.00	951224-C3	$115.00	951224-C8	$124.80		00000028
3/8	.320	.241	.750	4	3/8	2-1/2	994724	$107.20	994724-C3	$116.20	994724-C8	$126.00		00000029
3/8	.320	.241	1.125	4	3/8	4	897724	$115.10	897724-C3	$127.40	897724-C8	$137.20		00000030
3/8	.320	.241	1.500	4	3/8	4	997124	$118.10	997124-C3	$130.40	997124-C8	$140.20		00000031
1/2	.427	.323	.500	4	1/2	3	951232	$151.30	951232-C3	$164.70	951232-C8	$173.40		00000032
1/2	.427	.323	1.000	4	1/2	3	994732	$155.10	994732-C3	$168.50	994732-C8	$177.20		00000033
1/2	.427	.323	1.500	4	1/2	6	897732	$223.20	897732-C3	$236.60	897732-C8	$262.80		00000034
1/2	.427	.323	2.000	4	1/2	6	997132	$229.10	997132-C3	$242.50	997132-C8	$268.70		00000035
1/2	.427	.323	3.000	4	1/2	6	928832	$255.50	928832-C3	$268.90	928832-C8	$295.10		00000036