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  • Products
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      • Carbide Burs
      • Carbide End Mills
      • Center Drills
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      • **Closeout Tools**
      • Cobalt End Mills
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Harvey Tool Back Deburring Mill
Features:
  • Ideal for deburring on backside of small holes and tight pockets
  • Slightly undersized to fit in common hole sizes
  • 90° included angle, cutting on angle only
  • Design has smaller radial projection than double angle shank cutters and back chamfer cutters, which results in increased neck diameter and improved strength
  • Left hand shear flute / right hand cut evacuates chip away from part
  • Multiple flutes for improved finish
  • Solid carbide
  • CNC ground in the USA


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    Item TECH LINK Specs 1 Specs 2 Specs 3 Specs 4 Specs 5 Specs 6 Specs 7 Specs 8 Price Quantity
    42750084
    57028 Head Diameter: 0.0280" (.7 mm) Neck Diameter: 0.0210" Chamfer Center Diameter: 0.0261" Length of Cut: 0.0029" Neck Length: 0.2500" (1/4) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0215", End Length: 0.0200", Angle per Side: 45, Included Angle: 90 Flutes: 3, Shank Diameter: 0.1250" (1/8), Metric: Y, Coating: Uncoated $65.50
    42750095
    57028-C3 Head Diameter: 0.0280" (.7 mm) Neck Diameter: 0.0210" Chamfer Center Diameter: 0.0261" Length of Cut: 0.0029" Neck Length: 0.2500" (1/4) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0215", End Length: 0.0200", Angle per Side: 45, Included Angle: 90 Flutes: 3, Shank Diameter: 0.1250" (1/8), Metric: Y, Coating: AlTiN $70.40
    42750106
    57040 Head Diameter: 0.0400" Neck Diameter: 0.0280" (.7 mm) Chamfer Center Diameter: 0.0362" Length of Cut: 0.0048" Neck Length: 0.3120" (5/16) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0324", End Length: 0.0300", Angle per Side: 45, Included Angle: 90 Flutes: 4, Shank Diameter: 0.1250" (1/8), Metric: N, Coating: Uncoated $60.90
    42750117
    57040-C3 Head Diameter: 0.0400" Neck Diameter: 0.0280" (.7 mm) Chamfer Center Diameter: 0.0362" Length of Cut: 0.0048" Neck Length: 0.3120" (5/16) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0324", End Length: 0.0300", Angle per Side: 45, Included Angle: 90 Flutes: 4, Shank Diameter: 0.1250" (1/8), Metric: N, Coating: AlTiN $65.80
    42750128
    57055 Head Diameter: 0.0550" (1.4 mm) Neck Diameter: 0.0430" (1.1 mm) Chamfer Center Diameter: 0.0515" Length of Cut: 0.0045" Neck Length: 0.4370" (7/16) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0423", End Length: 0.0400", Angle per Side: 45, Included Angle: 90 Flutes: 4, Shank Diameter: 0.1250" (1/8), Metric: Y, Coating: Uncoated $60.90
    42750139
    57055-C3 Head Diameter: 0.0550" (1.4 mm) Neck Diameter: 0.0430" (1.1 mm) Chamfer Center Diameter: 0.0515" Length of Cut: 0.0045" Neck Length: 0.4370" (7/16) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0423", End Length: 0.0400", Angle per Side: 45, Included Angle: 90 Flutes: 4, Shank Diameter: 0.1250" (1/8), Metric: Y, Coating: AlTiN $65.80
    42750150
    57080 Head Diameter: 0.0800" Neck Diameter: 0.0600" Chamfer Center Diameter: 0.0733" Length of Cut: 0.0077" Neck Length: 0.6250" (5/8) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0638", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 5, Shank Diameter: 0.1250" (1/8), Metric: N, Coating: Uncoated $55.10
    42750161
    57080-C3 Head Diameter: 0.0800" Neck Diameter: 0.0600" Chamfer Center Diameter: 0.0733" Length of Cut: 0.0077" Neck Length: 0.6250" (5/8) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0638", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 5, Shank Diameter: 0.1250" (1/8), Metric: N, Coating: AlTiN $60.00
    42750172
    57110 Head Diameter: 0.1150" Neck Diameter: 0.0870" (2.2 mm) Chamfer Center Diameter: 0.1049" Length of Cut: 0.0111" Neck Length: 1.0000" (1) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0655", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 5, Shank Diameter: 0.1250" (1/8), Metric: N, Coating: Uncoated $55.10
    42750183
    57110-C3 Head Diameter: 0.1150" Neck Diameter: 0.0870" (2.2 mm) Chamfer Center Diameter: 0.1049" Length of Cut: 0.0111" Neck Length: 1.0000" (1) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0655", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 5, Shank Diameter: 0.1250" (1/8), Metric: N, Coating: AlTiN $60.00
    42750194
    57120 Head Diameter: 0.1350" Neck Diameter: 0.1070" Chamfer Center Diameter: 0.1249" Length of Cut: 0.0111" Neck Length: 1.1250" (1-1/8) Overall Length: 2.5000" (2-1/2) Chamfer Center Length: 0.0655", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 5, Shank Diameter: 0.1875" (3/16), Metric: N, Coating: Uncoated $56.70
    42750205
    57120-C3 Head Diameter: 0.1350" Neck Diameter: 0.1070" Chamfer Center Diameter: 0.1249" Length of Cut: 0.0111" Neck Length: 1.1250" (1-1/8) Overall Length: 2.5000" (2-1/2) Chamfer Center Length: 0.0655", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 5, Shank Diameter: 0.1875" (3/16), Metric: N, Coating: AlTiN $62.00
    42750216
    57130 Head Diameter: 0.1650" Neck Diameter: 0.1210" Chamfer Center Diameter: 0.1469" Length of Cut: 0.0191" Neck Length: 1.3750" (1-3/8) Overall Length: 2.5000" (2-1/2) Chamfer Center Length: 0.0695", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 6, Shank Diameter: 0.1875" (3/16), Metric: N, Coating: Uncoated $56.70
    42750227
    57130-C3 Head Diameter: 0.1650" Neck Diameter: 0.1210" Chamfer Center Diameter: 0.1469" Length of Cut: 0.0191" Neck Length: 1.3750" (1-3/8) Overall Length: 2.5000" (2-1/2) Chamfer Center Length: 0.0695", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 6, Shank Diameter: 0.1875" (3/16), Metric: N, Coating: AlTiN $62.00
    42750238
    57140 Head Diameter: 0.2100" Neck Diameter: 0.1660" Chamfer Center Diameter: 0.1919" Length of Cut: 0.0191" Neck Length: 1.7500" (1-3/4) Overall Length: 3.0000" (3) Chamfer Center Length: 0.0695", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 6, Shank Diameter: 0.2500" (1/4), Metric: N, Coating: Uncoated $60.90
    42750249
    57140-C3 Head Diameter: 0.2100" Neck Diameter: 0.1660" Chamfer Center Diameter: 0.1919" Length of Cut: 0.0191" Neck Length: 1.7500" (1-3/4) Overall Length: 3.0000" (3) Chamfer Center Length: 0.0695", End Length: 0.0600", Angle per Side: 45, Included Angle: 90 Flutes: 6, Shank Diameter: 0.2500" (1/4), Metric: N, Coating: AlTiN $68.10
    42750260
    57150 Head Diameter: 0.2620" Neck Diameter: 0.2060" Chamfer Center Diameter: 0.2379" Length of Cut: 0.0251" Neck Length: 2.1250" (2-1/8) Overall Length: 4.0000" (4) Chamfer Center Length: 0.0925", End Length: 0.0800", Angle per Side: 45, Included Angle: 90 Flutes: 8, Shank Diameter: 0.3125" (5/16), Metric: N, Coating: Uncoated $70.60
    42750271
    57150-C3 Head Diameter: 0.2620" Neck Diameter: 0.2060" Chamfer Center Diameter: 0.2379" Length of Cut: 0.0251" Neck Length: 2.1250" (2-1/8) Overall Length: 4.0000" (4) Chamfer Center Length: 0.0925", End Length: 0.0800", Angle per Side: 45, Included Angle: 90 Flutes: 8, Shank Diameter: 0.3125" (5/16), Metric: N, Coating: AlTiN $80.70
    42765099
    57160 Head Diameter: 0.3150" (8 mm) Neck Diameter: 0.2590" Chamfer Center Diameter: 0.2909" Length of Cut: 0.0251" Neck Length: 2.5000" (2-1/2) Overall Length: 4.0000" (4) Chamfer Center Length: 0.0925", End Length: 0.0800", Angle per Side: 45, Included Angle: 90 Flutes: 8, Shank Diameter: 0.3750" (3/8), Metric: Y, Coating: Uncoated $85.20
    42765110
    57160-C3 Head Diameter: 0.3150" (8 mm) Neck Diameter: 0.2590" Chamfer Center Diameter: 0.2909" Length of Cut: 0.0251" Neck Length: 2.5000" (2-1/2) Overall Length: 4.0000" (4) Chamfer Center Length: 0.0925", End Length: 0.0800", Angle per Side: 45, Included Angle: 90 Flutes: 8, Shank Diameter: 0.3750" (3/8), Metric: Y, Coating: AlTiN $98.20
    42765121
    57170 Head Diameter: 0.4200" Neck Diameter: 0.3500" Chamfer Center Diameter: 0.3889" Length of Cut: 0.0321" Neck Length: 3.3750" (3-3/8) Overall Length: 6.0000" (6) Chamfer Center Length: 0.1160", End Length: 0.1000", Angle per Side: 45, Included Angle: 90 Flutes: 10, Shank Diameter: 0.4375" (7/16), Metric: N, Coating: Uncoated $111.30
    42765132
    57170-C3 Head Diameter: 0.4200" Neck Diameter: 0.3500" Chamfer Center Diameter: 0.3889" Length of Cut: 0.0321" Neck Length: 3.3750" (3-3/8) Overall Length: 6.0000" (6) Chamfer Center Length: 0.1160", End Length: 0.1000", Angle per Side: 45, Included Angle: 90 Flutes: 10, Shank Diameter: 0.4375" (7/16), Metric: N, Coating: AlTiN $127.20
    42833706
    65728 Head Diameter: 0.0280" (.7 mm) Neck Diameter: 0.0210" Chamfer Center Diameter: 0.0261" Length of Cut: 0.0029" Neck Length: 0.1250" (1/8) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0215", End Length: 0.0200", Angle per Side: 45, Included Angle: 90 Flutes: 3, Shank Diameter: 0.1250" (1/8), Metric: Y, Coating: Uncoated $65.50
    42833717
    65728-C3 Head Diameter: 0.0280" (.7 mm) Neck Diameter: 0.0210" Chamfer Center Diameter: 0.0261" Length of Cut: 0.0029" Neck Length: 0.1250" (1/8) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0215", End Length: 0.0200", Angle per Side: 45, Included Angle: 90 Flutes: 3, Shank Diameter: 0.1250" (1/8), Metric: Y, Coating: AlTiN $70.40
    42833728
    65740 Head Diameter: 0.0400" Neck Diameter: 0.0280" (.7 mm) Chamfer Center Diameter: 0.0362" Length of Cut: 0.0048" Neck Length: 0.1870" (3/16) Overall Length: 2.0000" (2) Chamfer Center Length: 0.0324", End Length: 0.0300", Angle per Side: 45, Included Angle: 90 Flutes: 4, Shank Diameter: 0.1250" (1/8), Metric: N, Coating: Uncoated $60.90

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