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Internal Tool Inc. Homepage Boring Bar Corner Rounder Keyway Cutter Profiler
Ph: (800) 874-7676
Fx: (909) 392-2627
Mon - Fri   7am - 4pm


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Quick Change Tools

Replace inserts accurately & rapidly

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Proudly Made in the USA


Micro Ball & Square Endmills :: Series 21


Series 21 Features:

  • APPLICATION: Milling ball or square cuts on a minature scale
  • Center cutting
  • 30° Right-hand helix
  • Right-hand cut

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2 FLUTE PART NO4 FLUTE PART NOSHAPESIZELENGTH OF CUTOALSHANK DIA1 PC2-1011-2526+
21-6000- -Ball End0.0100.0301.5000.12528.4727.3426.2025.06
21-6005- -Ball End0.0150.0451.5000.12522.7021.7920.8919.98
21-601041-6010Ball End0.0200.0601.5000.12521.8220.9520.0719.20
21-601541-6015Ball End0.0250.0751.5000.12519.7718.9818.1817.39
21-602041-6020Ball End0.0300.0901.5000.12517.8117.1016.3815.67
21-602541-6025Ball End0.0310.0931.5000.12517.8117.1016.3815.67
21-603041-6030Ball End0.0350.1051.5000.12516.7316.0615.3914.72
21-603541-6035Ball End0.0400.1201.5000.12516.7316.0615.3914.72
21-604041-6040Ball End0.0150.1351.5000.12516.7316.0615.3914.72
21-604541-6045Ball End0.0470.1411.5000.12516.7316.0615.3914.72
21-605041-6050Ball End0.0500.1501.5000.12516.7316.0615.3914.72
21-605541-6055Ball End0.0550.1651.5000.12516.7316.0615.3914.72
21-606041-6060Ball End0.0600.1801.5000.12516.3415.6915.0314.38
21-606541-6065Ball End0.0650.1951.5000.12516.3415.6915.0314.38
21-607041-6070Ball End0.0700.2101.5000.12516.3415.6915.0314.38
21-607541-6075Ball End0.0750.2251.5000.12516.3415.6915.0314.38
21-608041-6080Ball End0.0800.2401.5000.12516.3415.6915.0314.38
21-608541-6085Ball End0.0850.2551.5000.12516.3415.6915.0314.38
21-609041-6090Ball End0.0900.2701.5000.12516.3415.6915.0314.38
21-609541-6095Ball End0.0950.2851.5000.12515.7515.1214.4913.86
21-610041-6100Ball End0.1000.3001.5000.12516.3415.6915.0314.38
21-610541-6105Ball End0.1200.3601.5000.12516.3415.6915.0314.38
21-700041-7000Square End0.0050.0151.5000.12523.3922.4521.5220.58
21-700541-7005Square End0.0060.0181.5000.12523.3922.4521.5220.58
21-701041-7010Square End0.0070.0211.5000.12522.6021.7020.8019.89
21-701541-7015Square End0.0080.0241.5000.12522.6021.7020.8019.89
21-702041-7020Square End0.0090.0271.5000.12522.6021.7020.8019.89
21-702541-7025Square End0.0100.0301.5000.12518.7918.0417.2816.53
21-703041-7030Square End0.0110.0331.5000.12518.7918.0417.2816.53
21-703541-7035Square End0.0120.0361.5000.12518.7918.0417.2816.53
21-704041-7040Square End0.0130.0391.5000.12518.7918.0417.2816.53
21-704541-7045Square End0.0140.0421.5000.12518.7918.0417.2816.53
21-705041-7050Square End0.0150.0451.5000.12516.6315.9715.3014.64
21-705541-7055Square End0.0160.0481.5000.12516.6315.9715.3014.64
21-706041-7060Square End0.0170.0511.5000.12516.6315.9715.3014.64
21-706541-7065Square End0.0180.0541.5000.12516.6315.9715.3014.64
21-707041-7070Square End0.0190.0571.5000.12516.6315.9715.3014.64
21-707541-7075Square End0.0200.0601.5000.12515.8515.2214.5813.95
21-708041-7080Square End0.0210.0631.5000.12515.8515.2214.5813.95
21-708541-7085Square End0.0220.0661.5000.12515.8515.2214.5813.95
21-709041-7090Square End0.0230.0691.5000.12515.8515.2214.5813.95
21-709541-7095Square End0.0240.0721.5000.12515.8515.2214.5813.95
21-710041-7100Square End0.0250.0751.5000.12514.5814.0013.4112.83
21-710541-7105Square End0.0260.0781.5000.12514.5814.0013.4112.83
21-711041-7110Square End0.0270.0811.5000.12514.5814.0013.4112.83
21-711541-7115Square End0.0280.0841.5000.12514.5814.0013.4112.83
21-712041-7120Square End0.0290.0871.5000.12514.5814.0013.4112.83
21-712541-7125Square End0.0300.0901.5000.12514.5814.0013.4112.83
21-713041-7130Square End0.0310.0931.5000.12514.5814.0013.4112.83
21-713541-7135Square End0.0350.1051.5000.12512.2311.7411.2510.76
21-714041-7140Square End0.0400.1201.5000.12512.2311.7411.2510.76
21-714541-7145Square End0.0450.1351.5000.12512.2311.7411.2510.76
21-715041-7150Square End0.0470.1411.5000.12512.2311.7411.2510.76
21-715541-7155Square End0.0500.1501.5000.12512.2311.7411.2510.76
21-716041-7160Square End0.0550.1651.5000.12512.2311.7411.2510.76
21-716541-7165Square End0.0600.1801.5000.12510.8610.439.999.56
21-717041-7170Square End0.0650.1951.5000.12510.8610.439.999.56
21-717541-7175Square End0.0700.2101.5000.12510.8610.439.999.56
21-718041-7180Square End0.0750.2251.5000.12510.8610.439.999.56
21-718541-7185Square End0.0800.2401.5000.12510.8610.439.999.56
21-719041-7190Square End0.0850.2551.5000.12510.8610.439.999.56
21-719541-7195Square End0.0900.2701.5000.12510.8610.439.999.56
21-720041-7200Square End0.1000.3001.5000.12510.8610.439.999.56
21-720541-7205Square End0.1050.3151.5000.12510.8610.439.999.56
21-721041-7210Square End0.1100.3301.5000.12510.8610.439.999.56
21-721541-7215Square End0.1150.3451.5000.12510.8610.439.999.56
21-722041-7220Square End0.1200.3601.5000.12510.8610.439.999.56
21-722541-7225Square End0.1250.3751.5000.12510.8610.439.999.56

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