Carbide End Mills

CO-MAX Micro-Diameter Carbide End Mills for Copper Electrode

Micro-diameter and long-neck solid carbide end mills for copper electrode and aluminum machining, from D0.1 mm / R0.05 mm.

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Product information

The CO-MAX micro diameter line (catalog L41–L56) covers MCOE-230 micro flat (D0.1–D0.9), MCOB-230 micro ball nose (R0.05–R0.45), MCOR-230 micro radius (D0.2–D0.8), NCOB-230 long-neck ball nose, NCOE-230/NCOE-430 long-neck flat and NCOR-230/NCOR-430 long-neck radius. Catalog work-material tables mark copper electrode as the best fit, with aluminum alloy and aluminum-magnesium alloy also suitable.

Specifications

Cutter typesMCOE-230 2-flute micro flat; MCOB-230 2-flute micro ball nose; MCOR-230 2-flute micro radius; NCOB-230 long-neck ball nose; NCOE-230 / NCOE-430 long-neck flat 2/4-flute; NCOR-230 / NCOR-430 long-neck radius 2/4-flute
Diameter rangeD0.1–D0.9 mm micro flat; R0.05–R0.45 mm micro ball nose; D0.2–D0.8 mm micro radius; long-neck types up to D4.0
Intended materialsCopper electrode (best fit), aluminum alloy, aluminum-magnesium alloy, titanium alloy
Example stock modelsMCOE230-003006-045-S04; MCOB230-005008-045-S04; NCOE430-010040-050-S04; NCOB230-030200-050-S4

Available sizes

Model codes and dimensions reproduced from the Koves 2025 Solid Round Cutting Tools catalog. Stock items are listed in the catalog, not confirmed live — ask us for current availability.

CO-MAX Micro Diameter Flat End Mill, 2-Flute, 30° helix

Catalog page 24 · 17 sizes · code MCOE230

ModelDia. (mm)Flute length (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
MCOE230-001002-042-S040.10.215°d442
MCOE230-0015003-045-S040.150.315°d445
MCOE230-002004-045-S040.20.415°d445
MCOE230-0025005-045-S040.250.515°d445
MCOE230-003006-045-S040.30.615°d445
MCOE230-0035007-045-S040.350.715°d445
MCOE230-004008-045-S040.40.815°d445
MCOE230-0045009-045-S040.450.915°d445
MCOE230-005010-045-S040.5115°d445
MCOE230-0055011-045-S040.551.115°d445
MCOE230-006012-045-S040.61.215°d445
MCOE230-0065013-045-S040.651.315°d445
MCOE230-007014-045-S040.71.415°d445
MCOE230-0075015-045-S040.751.515°d445
MCOE230-008016-045-S040.81.615°d445
MCOE230-0085017-045-S040.851.715°d445
MCOE230-009018-045-S040.91.815°d445

CO-MAX Micro Diameter Ball End Mill, 2-Flute, 30° helix

Catalog page 24 · 10 sizes · code MCOB230

ModelBall radius (mm)Dia. (mm)Flute length (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
MCOB230-0010015-042-S04R0.050.10.1515°d442
MCOB230-0015002-045-S04R0.0750.150.215°d445
MCOB230-002003-045-S04R0.10.20.315°d445
MCOB230-0030045-045-S04R0.150.30.4515°d445
MCOB230-004006-045-S04R0.20.40.615°d445
MCOB230-005008-045-S04R0.250.50.815°d445
MCOB230-006009-045-S04R0.30.60.915°d445
MCOB230-007011-045-S04R0.350.71.115°d445
MCOB230-008012-045-S04R0.40.81.215°d445
MCOB230-009014-045-S04R0.450.91.415°d445

CO-MAX Long Neck Flat End Mill, 2-Flute, 30° helix

Catalog page 25 · 37 sizes · code NCOE230

ModelDia. (mm)Neck length (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOE230-001003-045-S040.10.30.10.08515°445
NCOE230-001005-045-S040.10.50.10.08515°445
NCOE230-001008-045-S040.10.80.10.08515°445
NCOE230-001010-045-S040.110.10.08515°445
NCOE230-0015005-045-S040.150.50.150.1315°445
NCOE230-0015010-045-S040.1510.150.1315°445
NCOE230-002010-045-S040.2010.20.1815°445
NCOE230-002015-045-S040.201.50.150.1315°445
NCOE230-002020-045-S040.220.20.1812°445
NCOE230-002030-045-S040.2030.150.1315°445
NCOE230-002040-045-S040.2040.150.1315°445
NCOE230-003010-045-S040.3010.30.2715°445
NCOE230-003015-045-S040.301.50.150.1315°445
NCOE230-003020-045-S040.320.40.3712°445
NCOE230-003030-045-S040.330.30.2712°445
NCOE230-003040-045-S040.340.40.3712°445
NCOE230-003050-045-S040.350.40.3712°445
NCOE230-004015-045-S040.41.50.40.3712°445
NCOE230-004020-045-S040.420.40.3712°445
NCOE230-004030-045-S040.430.40.3712°445
NCOE230-004040-045-S040.440.40.3712°445
NCOE230-004050-045-S040.450.40.3712°445
NCOE230-004060-045-S040.460.40.3712°445
NCOE230-005020-045-S040.520.50.4612°445
NCOE230-005030-045-S040.530.50.4612°445
NCOE230-005040-045-S040.540.50.4612°445
NCOE230-005050-045-S040.550.50.4612°445
NCOE230-005060-045-S040.560.50.4612°445
NCOE230-005080-045-S040.580.50.4612°445
NCOE230-005100-045-S040.5100.50.4612°445
NCOE230-006020-045-S040.620.50.4612°445
NCOE230-006030-045-S040.630.50.4612°445
NCOE230-006040-045-S040.640.50.4612°445
NCOE230-006050-045-S040.650.60.5612°445
NCOE230-006060-045-S040.660.50.4612°445
NCOE230-006080-045-S040.680.50.4612°445
NCOE230-006100-045-S040.6100.50.4612°445

CO-MAX Micro Diameter Radius End Mill, 2-Flute, 30° helix

Catalog page 25 · 18 sizes · code MCOR230

ModelDia. (mm)Corner radius (mm)Flute length (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
MCOR230-002004R0.02-045-S040.20.020.415°445
MCOR230-002004R0.05-045-S040.20.050.415°445
MCOR230-003006R0.02-045-S040.30.020.615°445
MCOR230-003006R0.05-045-S040.30.050.615°445
MCOR230-004008R0.02-045-S040.40.020.615°445
MCOR230-004008R0.05-045-S040.40.050.815°445
MCOR230-004008R0.1-045-S040.40.10.615°445
MCOR230-005010R0.02-045-S040.50.020.615°445
MCOR230-005010R0.05-045-S040.50.051.015°445
MCOR230-005010R0.1-045-S040.50.11.215°445
MCOR230-006012R0.02-045-S040.60.021.215°445
MCOR230-006012R0.05-045-S040.60.051.215°445
MCOR230-006012R0.1-045-S040.60.11.215°445
MCOR230-006012R0.2-045-S040.60.21.215°445
MCOR230-008016R0.02-045-S040.80.021.615°445
MCOR230-008016R0.05-045-S040.80.051.615°445
MCOR230-008016R0.1-045-S040.80.11.615°445
MCOR230-008016R0.2-045-S040.80.21.615°445

CO-MAX Long Neck Flat End Mill, 2-Flute, 30° helix

Catalog page 26 · 14 sizes · code NCOE230

ModelDia. (mm)Neck length (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOE230-007020-045-S040.720.70.6612°445
NCOE230-007030-045-S040.730.70.6612°445
NCOE230-007040-045-S040.740.70.6612°445
NCOE230-007050-045-S040.750.70.6612°445
NCOE230-007060-045-S040.760.70.6612°445
NCOE230-007080-045-S040.780.70.6612°445
NCOE230-007100-045-S040.7100.70.6612°445
NCOE230-008020-045-S040.820.80.7612°445
NCOE230-008030-045-S040.830.80.7612°445
NCOE230-008040-045-S040.840.80.7612°445
NCOE230-008050-045-S040.850.80.7612°445
NCOE230-008060-045-S040.860.80.7612°445
NCOE230-008080-045-S040.880.80.7612°445
NCOE230-008100-045-S040.8100.80.7612°445

CO-MAX Long Neck Flat End Mill, 4-Flute, 30° helix

Catalog page 26 · 36 sizes · code NCOE430

ModelDia. (mm)Neck length (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOE430-01040-050-S042421.9412°450
NCOE430-010050-050-S041521.9412°450
NCOE430-010060-050-S041621.9412°450
NCOE430-010080-050-S041821.9412°450
NCOE430-010100-050-S0411010.9512°450
NCOE430-010120-050-S0411221.9412°450
NCOE430-010140-050-S0411421.9412°450
NCOE430-010160-050-S0411621.9412°450
NCOE430-010180-050-S0411821.9412°450
NCOE430-010200-050-S0412021.9412°450
NCOE430-015060-050-S041.5621.9412°450
NCOE430-015080-050-S041.5821.9412°450
NCOE430-015100-050-S041.51021.9412°450
NCOE430-015120-050-S041.5121.51.4412°450
NCOE430-015140-050-S041.51421.9412°450
NCOE430-015160-050-S041.51621.9412°450
NCOE430-015180-050-S041.51821.9412°450
NCOE430-015200-050-S041.52021.9412°450
NCOE430-020060-050-S042621.9412°450
NCOE430-020080-050-S042821.9412°450
NCOE430-020100-050-S0421021.9412°450
NCOE430-020120-050-S0421221.9412°450
NCOE430-020140-050-S0421421.9412°450
NCOE430-020160-050-S0421621.9412°650
NCOE430-020180-050-S0421821.9412°650
NCOE430-020200-050-S0422021.9412°650
NCOE430-030100-050-S0431021.9412°650
NCOE430-030120-050-S0431221.9412°650
NCOE430-030140-050-S0431421.9412°450
NCOE430-030160-050-S0431621.9412°650
NCOE430-030180-050-S0431832.9212°650
NCOE430-030200-050-S0432021.9412°650
NCOE430-030160-060-S0431621.9412°660
NCOE430-030180-060-S0431821.9412°660
NCOE430-030200-060-S0432021.9412°660
NCOE430-030250-060-S0432521.9412°660

Catalog page 27 · 16 sizes · code NCOE430

ModelDia. (mm)Neck length (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOE430-030160-075-S631632.9212°675
NCOE430-030180-075-S631832.9212°675
NCOE430-030200-075-S632032.9212°675
NCOE430-030250-075-S632532.9212°675
NCOE430-030300-075-S633032.9212°675
NCOE430-030350-075-S633532.9212°675
NCOE430-040160-060-S641632.9212°660
NCOE430-040180-060-S641843.912°660
NCOE430-040200-060-S642043.912°660
NCOE430-040250-060-S642543.912°660
NCOE430-040160-075-S641643.912°675
NCOE430-040180-075-S641843.912°675
NCOE430-040200-075-S642043.912°675
NCOE430-040250-075-S642543.912°675
NCOE430-040300-075-S643043.912°675
NCOE430-040350-075-S643543.912°675

CO-MAX Long Neck Ball End Mill, 2-Flute, 30° helix

Catalog page 27 · 35 sizes · code NCOB230

ModelBall radius (mm)Neck length (mm)Dia. (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOB230-001003-045-S04R0.050.30.10.10.08515°445
NCOB230-001005-045-S04R0.050.50.10.10.08515°445
NCOB230-001008-045-S04R0.050.80.10.10.08515°445
NCOB230-001010-045-S04R0.0510.10.10.08515°445
NCOB230-0015005-045-S04R0.0750.50.150.150.1315°445
NCOB230-0015010-045-S04R0.07510.150.150.1315°445
NCOB230-002010-045-S04R0.07510.20.20.1815°445
NCOB230-002015-045-S04R0.11.50.20.20.1812°445
NCOB230-002020-045-S04R0.120.20.20.1812°445
NCOB230-002030-045-S04R0.130.20.20.1812°445
NCOB230-003010-045-S04R0.110.30.30.2715°445
NCOB230-003015-045-S04R0.151.50.30.30.2712°445
NCOB230-003020-045-S04R0.1520.30.30.2712°445
NCOB230-003030-045-S04R0.1530.30.30.2712°445
NCOB230-003040-045-S04R0.1540.30.30.2712°445
NCOB230-003050-045-S04R0.1550.30.30.2712°445
NCOB230-004015-045-S04R0.21.50.40.40.3712°445
NCOB230-004020-045-S04R0.220.40.40.3712°445
NCOB230-004030-045-S04R0.230.40.40.3712°445
NCOB230-004040-045-S04R0.240.40.40.3712°445
NCOB230-004050-045-S04R0.250.40.40.3712°445
NCOB230-004060-045-S04R0.260.40.40.3712°445
NCOB230-005020-045-S04R0.2520.50.50.4612°445
NCOB230-005030-045-S04R0.2530.50.50.4612°445
NCOB230-005040-045-S04R0.2540.50.50.4612°445
NCOB230-005050-045-S04R0.2550.50.50.4612°445
NCOB230-005060-045-S04R0.2560.50.50.4612°445
NCOB230-005080-045-S04R0.2580.50.50.4612°445
NCOB230-006020-045-S04R0.2520.60.50.4612°445
NCOB230-006030-045-S04R0.2530.60.50.4612°445
NCOB230-006040-045-S04R0.2540.60.50.4612°445
NCOB230-006050-045-S04R0.350.60.60.5612°445
NCOB230-006060-045-S04R0.2560.60.50.4612°445
NCOB230-006080-045-S04R0.2580.60.50.4612°445
NCOB230-006100-045-S04R0.25100.60.50.4612°445

Catalog page 28 · 39 sizes · code NCOB230

ModelBall radius (mm)Neck length (mm)Dia. (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOB230-008020-045-S4R120.821.9412°645
NCOB230-008030-045-S4R130.821.9412°645
NCOB230-008040-045-S4R140.821.9412°645
NCOB230-008050-045-S4R0.0450.80.80.7612°445
NCOB230-008060-045-S4R160.821.9412°645
NCOB230-008080-045-S4R180.821.9412°645
NCOB230-008100-045-S4R1100.821.9412°645
NCOB230-010030-050-S4R13121.9412°650
NCOB230-010040-050-S4R14121.9412°650
NCOB230-010050-050-S4R15121.9412°650
NCOB230-010060-050-S4R16121.9412°650
NCOB230-010080-050-S4R18121.9412°650
NCOB230-010100-050-S4R0.510110.9512°450
NCOB230-010120-050-S4R112121.9412°650
NCOB230-010140-050-S4R114121.9412°650
NCOB230-010160-050-S4R116121.9412°650
NCOB230-010180-050-S4R118121.9412°650
NCOB230-010200-050-S4R120121.9412°650
NCOB230-015040-050-S4R141.521.9412°650
NCOB230-015050-050-S4R151.521.9412°650
NCOB230-015060-050-S4R161.521.9412°650
NCOB230-015080-050-S4R181.521.9412°650
NCOB230-015100-050-S4R0.75101.51.51.4412°450
NCOB230-015120-050-S4R1121.521.9412°650
NCOB230-015160-050-S4R1161.521.9412°650
NCOB230-015180-050-S4R1181.521.9412°650
NCOB230-015200-050-S4R1201.521.9412°650
NCOB230-020060-050-S4R16221.9412°650
NCOB230-020080-050-S4R18221.9412°650
NCOB230-020100-050-S4R110221.9412°650
NCOB230-020120-050-S4R112221.9412°650
NCOB230-020140-050-S4R114221.9412°450
NCOB230-020160-050-S4R116221.9412°650
NCOB230-020180-050-S4R118221.9412°650
NCOB230-020200-050-S4R120221.9412°650
NCOB230-020160-060-S6R116221.9412°660
NCOB230-020180-060-S6R118221.9412°660
NCOB230-020200-060-S6R120221.9412°660
NCOB230-020250-060-S6R125221.9412°660

Catalog page 28 · 24 sizes · code NCOB230

ModelBall radius (mm)Neck length (mm)Dia. (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOB230-030080-050-S4R1.58332.9212°450
NCOB230-030100-050-S4R1.510332.9212°450
NCOB230-030120-050-S4R1.512332.9212°450
NCOB230-030160-050-S4R1.516332.9212°450
NCOB230-030200-050-S4R1.520332.9212°450
NCOB230-030160-060-S4R1.516332.9212°460
NCOB230-030180-060-S4R1.518332.9212°460
NCOB230-030200-060-S4R1.520332.9212°660
NCOB230-030250-060-S4R1.525332.9212°660
NCOB230-030160-075-S6R1.516332.9212°675
NCOB230-030180-075-S6R1.518332.9212°675
NCOB230-030200-075-S6R1.520332.9212°675
NCOB230-030250-075-S6R1.525332.9212°675
NCOB230-030300-075-S6R1.530332.9212°675
NCOB230-040160-060-S4R216443.912°660
NCOB230-040180-060-S4R218443.912°660
NCOB230-040200-060-S4R220443.912°660
NCOB230-040250-060-S4R225443.912°660
NCOB230-040160-075-S6R216443.912°675
NCOB230-040180-075-S6R218443.912°675
NCOB230-040200-075-S6R220443.912°675
NCOB230-040250-075-S6R225443.912°675
NCOB230-040300-075-S6R230443.912°675
NCOB230-040350-075-S6R235443.912°675

CO-MAX Long Neck Radius End Mill, 2-Flute, 30° helix

Catalog page 29 · 39 sizes · code NCOR230

ModelDia. (mm)Neck length (mm)Corner radius (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOR230-002010-045-S040.210.020.20.1815°445
NCOR230-002015-045-S040.21.50.020.30.2712°445
NCOR230-002020-045-S040.220.020.20.1812°445
NCOR230-002030-045-S040.230.020.30.2712°445
NCOR230-002010-045-S040.210.050.20.1815°445
NCOR230-002015-045-S040.21.50.050.30.2712°445
NCOR230-002020-045-S040.220.050.20.1812°445
NCOR230-002030-045-S040.230.050.30.2712°445
NCOR230-003010-045-S040.310.050.30.2715°445
NCOR230-003015-045-S040.31.50.020.30.2712°445
NCOR230-003020-045-S040.320.020.30.2712°445
NCOR230-003030-045-S040.330.020.30.2712°445
NCOR230-003040-045-S040.340.020.30.2712°445
NCOR230-003010-045-S040.310.020.30.2715°445
NCOR230-003015-045-S040.31.50.020.30.2712°445
NCOR230-003020-045-S040.320.050.30.2712°445
NCOR230-003030-045-S040.330.020.30.2712°445
NCOR230-003040-045-S040.340.020.30.2712°445
NCOR230-004010-045-S040.410.020.40.3715°445
NCOR230-004015-045-S040.41.50.020.40.3712°445
NCOR230-004020-045-S040.420.020.40.3712°445
NCOR230-004030-045-S040.430.020.40.3712°445
NCOR230-004040-045-S040.440.020.40.3712°445
NCOR230-004050-045-S040.450.020.40.3712°445
NCOR230-004060-045-S040.460.020.40.3712°445
NCOR230-004010-045-S040.410.020.40.3715°445
NCOR230-004015-045-S040.41.50.020.40.3712°445
NCOR230-004020-045-S040.420.020.40.3712°445
NCOR230-004030-045-S040.430.050.40.3712°445
NCOR230-004040-045-S040.440.020.40.3712°445
NCOR230-004050-045-S040.450.020.40.3712°445
NCOR230-004060-045-S040.460.020.40.3712°445
NCOR230-004010-045-S040.410.020.40.3715°445
NCOR230-004015-045-S040.41.50.020.40.3712°445
NCOR230-004020-045-S040.420.020.40.3712°445
NCOR230-004030-045-S040.430.010.40.3712°445
NCOR230-004040-045-S040.440.020.40.3712°445
NCOR230-004050-045-S040.450.020.40.3712°445
NCOR230-004060-045-S040.460.020.40.3712°445

Catalog page 29 · 35 sizes · code NCOR230

ModelDia. (mm)Neck length (mm)Corner radius (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOR230-005020-045-S040.520.020.50.4612°445
NCOR230-005030-045-S040.530.020.50.4612°445
NCOR230-005040-045-S040.540.020.50.4612°445
NCOR230-005050-045-S040.550.020.50.4612°445
NCOR230-005060-045-S040.560.020.50.4612°445
NCOR230-005080-045-S040.580.020.50.4612°445
NCOR230-005100-045-S040.5100.020.50.4612°445
NCOR230-005020-045-S040.520.050.50.4612°445
NCOR230-005030-045-S040.530.050.50.4612°445
NCOR230-005040-045-S040.540.050.50.4612°445
NCOR230-005050-045-S040.550.050.50.4612°445
NCOR230-005060-045-S040.560.050.50.4612°445
NCOR230-005080-045-S040.580.050.50.4612°445
NCOR230-005100-045-S040.5100.050.50.4612°445
NCOR230-005020-045-S040.520.10.50.4612°445
NCOR230-005030-045-S040.530.10.50.4612°445
NCOR230-005040-045-S040.540.10.50.4612°445
NCOR230-005050-045-S040.550.10.50.4612°445
NCOR230-005060-045-S040.560.10.50.4612°445
NCOR230-005080-045-S040.580.10.50.4612°445
NCOR230-005100-045-S040.5100.10.50.5612°445
NCOR230-006020-045-S040.620.020.60.5612°445
NCOR230-006030-045-S040.630.020.60.5612°445
NCOR230-006040-045-S040.640.020.60.5612°445
NCOR230-006050-045-S040.650.020.60.5612°445
NCOR230-006060-045-S040.660.020.60.5612°445
NCOR230-006080-045-S040.680.020.60.5612°445
NCOR230-006100-045-S040.6100.020.60.5612°445
NCOR230-006020-045-S040.620.050.60.5612°445
NCOR230-006030-045-S040.630.050.60.5612°445
NCOR230-006040-045-S040.640.050.60.5612°445
NCOR230-006050-045-S040.650.050.60.5612°445
NCOR230-006060-045-S040.660.050.60.5612°445
NCOR230-006080-045-S040.680.050.60.5612°445
NCOR230-006100-045-S040.6100.050.60.5612°445

Catalog page 30 · 42 sizes · code NCOR230

ModelDia. (mm)Neck length (mm)Corner radius (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOR230-006020-045-S040.620.10.60.5612°445
NCOR230-006030-045-S040.630.10.60.5612°445
NCOR230-006040-045-S040.640.10.60.5612°445
NCOR230-006050-045-S040.650.10.60.5612°445
NCOR230-006060-045-S040.660.10.60.5612°445
NCOR230-006080-045-S040.680.10.60.5612°445
NCOR230-006100-045-S040.6100.10.60.5612°445
NCOR230-006020-045-S040.620.20.60.5612°445
NCOR230-006030-045-S040.630.20.60.5612°445
NCOR230-006040-045-S040.640.20.60.5612°445
NCOR230-006050-045-S040.650.20.60.5612°445
NCOR230-006060-045-S040.660.20.60.5612°445
NCOR230-006080-045-S040.680.20.60.5612°445
NCOR230-006100-045-S040.6100.20.60.5612°445
NCOR230-008020-045-S040.820.020.80.5612°445
NCOR230-008030-045-S040.830.020.80.5612°445
NCOR230-008040-045-S040.840.020.80.5612°445
NCOR230-008050-045-S040.850.020.80.7612°445
NCOR230-008060-045-S040.860.020.80.7612°445
NCOR230-008080-045-S040.880.020.80.7612°445
NCOR230-008100-045-S040.8100.020.80.7612°445
NCOR230-008020-045-S040.820.050.80.7612°445
NCOR230-008030-045-S040.830.050.80.7612°445
NCOR230-008040-045-S040.840.050.80.7612°445
NCOR230-008050-045-S040.850.050.80.7612°445
NCOR230-008060-045-S040.860.050.80.7612°445
NCOR230-008080-045-S040.880.050.80.7612°445
NCOR230-008100-045-S040.8100.050.80.7612°445
NCOR230-008020-045-S040.820.10.80.7612°445
NCOR230-008030-045-S040.830.10.80.7612°445
NCOR230-008040-045-S040.840.10.80.7612°445
NCOR230-008050-045-S040.850.10.80.7612°445
NCOR230-008060-045-S040.860.10.80.7612°445
NCOR230-008080-045-S040.880.10.80.7612°445
NCOR230-008100-045-S040.8100.10.80.7612°445
NCOR230-008020-045-S040.820.20.80.7612°445
NCOR230-008030-045-S040.830.20.80.7612°445
NCOR230-008040-045-S040.840.20.80.7612°445
NCOR230-008050-045-S040.850.20.80.7612°445
NCOR230-008060-045-S040.860.20.80.7612°445
NCOR230-008080-045-S040.880.20.80.7612°445
NCOR230-008100-045-S040.8100.20.80.7612°445

CO-MAX Long Neck Radius End Mill, 4-Flute, 30° helix

Catalog page 30 · 42 sizes · code NCOR430

ModelDia. (mm)Neck length (mm)Corner radius (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOR430-010040-050-S04140.110.9512°450
NCOR430-010060-050-S04160.110.9512°450
NCOR430-010080-050-S04180.110.9512°450
NCOR430-010100-050-S041100.110.9512°450
NCOR430-010120-050-S041120.110.9512°450
NCOR430-010140-050-S041140.110.9512°450
NCOR430-010160-050-S041160.110.9512°450
NCOR430-010180-050-S041180.110.9512°450
NCOR430-010200-050-S041200.110.9512°450
NCOR430-010040-050-S04140.110.9512°450
NCOR430-010060-050-S04160.110.9512°450
NCOR430-010080-050-S04180.110.9512°450
NCOR430-010100-050-S041100.110.9512°450
NCOR430-010120-050-S041120.210.9512°450
NCOR430-010140-050-S041140.110.9512°450
NCOR430-010160-050-S041160.110.9512°450
NCOR430-010180-050-S041180.110.9512°450
NCOR430-010200-050-S041200.110.9512°450
NCOR430-015060-050-S041.560.11.51.4412°450
NCOR430-015080-050-S041.580.11.51.4412°450
NCOR430-015100-050-S041.5100.11.51.4412°450
NCOR430-015120-050-S041.5120.11.51.4412°450
NCOR430-015140-050-S041.5140.11.51.4412°450
NCOR430-015160-050-S041.5160.11.51.4412°450
NCOR430-015180-050-S041.5180.121.4412°450
NCOR430-015200-050-S041.5200.121.4412°450
NCOR430-015060-050-S041.560.11.51.4412°450
NCOR430-015080-050-S041.580.11.51.4412°450
NCOR430-015100-050-S041.5100.11.51.4412°450
NCOR430-015120-050-S041.5120.21.51.4412°450
NCOR430-015140-050-S041.5140.11.51.4412°450
NCOR430-015160-050-S041.5160.11.51.4412°450
NCOR430-015180-050-S041.5180.121.9412°450
NCOR430-015200-050-S041.5200.121.9412°450
NCOR430-020060-050-S04260.121.9412°450
NCOR430-020080-050-S04280.121.9412°450
NCOR430-020100-050-S042100.121.9412°450
NCOR430-020120-050-S042120.121.9412°450
NCOR430-020140-050-S042140.121.9412°450
NCOR430-020160-050-S042160.121.9412°450
NCOR430-020180-050-S042180.121.9412°450
NCOR430-020200-050-S042200.121.9412°450

Catalog page 31 · 38 sizes · code NCOR430

ModelDia. (mm)Neck length (mm)Corner radius (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOR430-020060-050-S04260.221.9412°450
NCOR430-020080-050-S04280.221.9412°450
NCOR430-020100-050-S042100.221.9412°450
NCOR430-020120-050-S042120.221.9412°450
NCOR430-020140-050-S042140.221.9412°450
NCOR430-020160-050-S042160.221.9412°450
NCOR430-020180-050-S042180.221.9412°450
NCOR430-020200-050-S042200.221.9412°450
MCOR430-020060-050-S04260.521.9412°450
NCOR430-020080-050-S04280.521.9412°450
NCOR430-020100-050-S042100.521.9412°450
NCOR430-020120-050-S042120.521.9412°450
NCOR430-020140-050-S042140.521.9412°450
NCOR430-020160-050-S042160.521.9412°450
NCOR430-020180-050-S042180.521.9412°450
NCOR430-020200-050-S042200.521.9412°450
NCOR430-030100-050-S043100.131.9412°450
NCOR430-030120-050-S043120.131.9412°450
NCOR430-030140-050-S043140.132.9212°450
NCOR430-030160-050-S043160.132.9212°450
NCOR430-030180-050-S043180.132.9212°450
NCOR430-030200-050-S043200.132.9212°450
NCOR430-030100-050-S043100.232.9212°450
NCOR430-030120-050-S043120.232.9212°450
NCOR430-030140-050-S043140.232.9212°450
NCOR430-030160-050-S043160.232.9212°450
NCOR430-030180-050-S043180.232.9212°450
NCOR430-030200-050-S043200.232.9212°450
NCOR430-030100-050-S043100.532.9212°450
NCOR430-030120-050-S043120.532.9212°450
NCOR430-030140-050-S043140.532.9212°450
NCOR430-030160-050-S043160.532.9212°650
NCOR430-030180-050-S043180.532.9212°650
NCOR430-030200-050-S043200.532.9212°650
NCOR430-030120-060-S063120.232.9212°660
NCOR430-030160-060-S063160.232.9212°660
NCOR430-030200-060-S063200.232.9212°660
NCOR430-030250-060-S063250.232.9212°660

Catalog page 31 · 30 sizes · code NCOR430

ModelDia. (mm)Neck length (mm)Corner radius (mm)Flute length (mm)Neck dia. (mm)Neck angle (°)Shank dia. (mm)Overall length (mm)
NCOR430-030120-060-S063120.532.9212°660
NCOR430-030160-060-S063160.532.9212°660
NCOR430-030200-060-S063200.532.9212°660
NCOR430-030250-060-S063250.532.9212°660
NCOR430-030120-075-S063120.532.9212°675
NCOR430-030160-075-S063160.532.9212°675
NCOR430-030200-075-S063200.232.9212°675
NCOR430-030250-075-S063250.532.9212°675
NCOR430-030300-075-S063300.532.9212°675
NCOR430-030120-075-S063120.532.9212°675
NCOR430-030160-075-S063160.532.9212°675
NCOR430-030200-075-S063200.532.9212°675
NCOR430-030250-075-S063250.532.9212°675
NCOR430-030300-075-S063300.532.9212°675
NCOR430-040160-060-S064160.543.912°660
NCOR430-040200-060-S064200.243.912°660
NCOR430-040250-060-S064250.543.912°660
NCOR430-040160-060-S064160.543.912°660
NCOR430-040200-060-S064200.543.912°660
NCOR430-040250-060-S064250.543.912°660
NCOR430-040160-075-S064160.543.912°675
NCOR430-040200-075-S064200.543.912°675
NCOR430-040250-075-S064250.243.912°675
NCOR430-040300-075-S064300.543.912°675
NCOR430-040350-075-S064350.543.912°675
NCOR430-040160-075-S064160.543.912°675
NCOR430-040200-075-S064200.543.912°675
NCOR430-040250-075-S064250.543.912°675
NCOR430-040300-075-S064300.543.912°675
NCOR430-040350-075-S064350.543.912°675

How to read the model number

The catalog page “Detailed explanation of the model” reads a code left to right as series, cutter type, length mark, flutes, helix angle, cutting diameter, corner radius, cutting length, overall length and shank diameter. The original diagram is reproduced here:

Koves model-number key: how a carbide end mill code is read — series (HP/HM/HY/HS/HR/ALU/DIA/CO-MAX), cutter type (B/E/R/RE), length mark (L), flutes, helix angle, cutting diameter, corner radius, cutting length, overall length and shank diameter
Original “Detailed explanation of the model”, catalog folio L01 (2025).

Source: source-excerpts/catalog-2025-pages-3-4-milling-contents-model-code.txt — Original PDF page 4