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Standard Single-Sided Ball Nose Inserts – Inch Size – BNR Series

Standard single-sided Ball Nose end mill inserts (BNR series) are available in inch sizes with and without chipbreaker. PCD-tipped inserts are also available (without chipbreaker).

Inch-size inserts are listed below. Click here for Metric BNR inserts.

Standard ball nose inserts
PCD-tipped standard ball nose inserts

PCD-tipped inserts are ideal for the milling of soft, non-ferrous materials such as graphite and aluminum (not for steels or iron). Choose PCD-tipped ball nose inserts when milling these materials, and you may achieve tool life improvement of 50 to 100 times better than coated carbide!

  • Outstanding wear resistance
  • Precision ground to provide a sharp, accurate cutting radius
  • Fit standard Dapra Ball Nose bodies

View Ball Nose insert grade descriptions and selection information.

Find cutter bodies for these inserts Get Product Selection Assistance

** Start with these filters – they will guide you to the right insert for your application **

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Item Dia Best For Chipbreaker Coating Grade Price Inventory
BNR-0312-CB-F1
BNR-0312-CB-F1
BNR-0312-CB-F1
43700
 BNR-0312-CB-F1 		0.3125" ISO Chipbreaker Uncoated F1
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In Stock
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BNR-0312-CB-FP-GLH
BNR-0312-CB-FP-GLH
BNR-0312-CB-FP-GLH
43740
 BNR-0312-CB-FP-GLH 		0.3125" ISO Chipbreaker 2-Slick High-temp FP-GLH
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In Stock
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BNR-0312-CB-FP-HM
BNR-0312-CB-FP-HM
BNR-0312-CB-FP-HM
43765
 BNR-0312-CB-FP-HM 		0.3125" ISO Chipbreaker 1-High-temp Hard FP-HM
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In Stock
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BNR-0312-CB-FPD
BNR-0312-CB-FPD
BNR-0312-CB-FPD
49300
 BNR-0312-CB-FPD 		0.3125" ISO Chipbreaker Diamond-coat FPD
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Backordered
UOM : EA
BNR-0375-N-F1
BNR-0375-N-F1
BNR-0375-N-F1
BNR-0375-N-F1
BNR-0375-N-F1
43000
 BNR-0375-N-F1 		0.375" ISO Non-chipbreaker Uncoated F1
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BNR-0375-N-FPDL
BNR-0375-N-FPDL
BNR-0375-N-FPDL
BNR-0375-N-FPDL
BNR-0375-N-FPDL
43030
 BNR-0375-N-FPDL 		0.375" ISO Non-chipbreaker Diamond-like coating FPDL
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BNR-0375-N-FP-GLH
BNR-0375-N-FP-GLH
BNR-0375-N-FP-GLH
BNR-0375-N-FP-GLH
BNR-0375-N-FP-GLH
43040
 BNR-0375-N-FP-GLH 		0.375" ISO Non-chipbreaker 2-Slick High-temp FP-GLH
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BNR-0375-N-FP-HM
BNR-0375-N-FP-HM
BNR-0375-N-FP-HM
BNR-0375-N-FP-HM
BNR-0375-N-FP-HM
43065
 BNR-0375-N-FP-HM 		0.375" ISO Non-chipbreaker 1-High-temp Hard FP-HM
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In Stock
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BNR-0375-N-PCD
BNR-0375-N-PCD
BNR-0375-N-PCD
BNR-0375-N-PCD
BNR-0375-N-PCD
43070
 BNR-0375-N-PCD 		0.375" ISO Non-chipbreaker 4-PCD-tipped PCD
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Backordered
UOM : EA
BNR-0375-CB-F1
BNR-0375-CB-F1
BNR-0375-CB-F1
BNR-0375-CB-F1
BNR-0375-CB-F1
43800
 BNR-0375-CB-F1 		0.375" ISO Chipbreaker Uncoated F1
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In Stock
Order multiples of 10 EA
BNR-0312-CB-F1
BNR-0312-CB-F1
BNR-0312-CB-F1
43700
BNR-0312-CB-F1
  • 0.3125"
  • ISO
  • Chipbreaker
  • Uncoated
  • F1
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EA
BNR-0312-CB-FP-GLH
BNR-0312-CB-FP-GLH
BNR-0312-CB-FP-GLH
43740
BNR-0312-CB-FP-GLH
  • 0.3125"
  • ISO
  • Chipbreaker
  • 2-Slick High-temp
  • FP-GLH
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EA
BNR-0312-CB-FP-HM
BNR-0312-CB-FP-HM
BNR-0312-CB-FP-HM
43765
BNR-0312-CB-FP-HM
  • 0.3125"
  • ISO
  • Chipbreaker
  • 1-High-temp Hard
  • FP-HM
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EA
BNR-0312-CB-FPD
BNR-0312-CB-FPD
BNR-0312-CB-FPD
49300
BNR-0312-CB-FPD
  • 0.3125"
  • ISO
  • Chipbreaker
  • Diamond-coat
  • FPD
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EA
BNR-0375-N-F1
BNR-0375-N-F1
BNR-0375-N-F1
BNR-0375-N-F1
BNR-0375-N-F1
43000
BNR-0375-N-F1
  • 0.375"
  • ISO
  • Non-chipbreaker
  • Uncoated
  • F1
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EA
BNR-0375-N-FPDL
BNR-0375-N-FPDL
BNR-0375-N-FPDL
BNR-0375-N-FPDL
BNR-0375-N-FPDL
43030
BNR-0375-N-FPDL
  • 0.375"
  • ISO
  • Non-chipbreaker
  • Diamond-like coating
  • FPDL
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EA
BNR-0375-N-FP-GLH
BNR-0375-N-FP-GLH
BNR-0375-N-FP-GLH
BNR-0375-N-FP-GLH
BNR-0375-N-FP-GLH
43040
BNR-0375-N-FP-GLH
  • 0.375"
  • ISO
  • Non-chipbreaker
  • 2-Slick High-temp
  • FP-GLH
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EA
BNR-0375-N-FP-HM
BNR-0375-N-FP-HM
BNR-0375-N-FP-HM
BNR-0375-N-FP-HM
BNR-0375-N-FP-HM
43065
BNR-0375-N-FP-HM
  • 0.375"
  • ISO
  • Non-chipbreaker
  • 1-High-temp Hard
  • FP-HM
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EA
BNR-0375-N-PCD
BNR-0375-N-PCD
BNR-0375-N-PCD
BNR-0375-N-PCD
BNR-0375-N-PCD
43070
BNR-0375-N-PCD
  • 0.375"
  • ISO
  • Non-chipbreaker
  • 4-PCD-tipped
  • PCD
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EA
BNR-0375-CB-F1
BNR-0375-CB-F1
BNR-0375-CB-F1
BNR-0375-CB-F1
BNR-0375-CB-F1
43800
BNR-0375-CB-F1
  • 0.375"
  • ISO
  • Chipbreaker
  • Uncoated
  • F1
Please Log In
EA
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