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Back Draft Single-Sided Inserts – Inch Size – BDR Series

Back Draft or bull-nose inserts (BDR series) are available in inch sizes with and without chipbreaker, with a variety of corner radii. Back draft angle is 4° per side.

PCD-tipped inserts are also available (without chipbreaker). These inserts have a DOC of .125".

Back Draft inserts
Back Draft insert dimensions

View Ball Nose insert grade descriptions and selection information.

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Item Dia Best For Chipbreaker Coating Grade Price Inventory
BDR-0375-N-F1-R1/32
BDR-0375-N-F1-R1/32
BDR-0375-N-F1-R1/32
BDR-0375-N-F1-R1/32
BDR-0375-N-F1-R1/32
46600
 BDR-0375-N-F1-R1/32 		0.375" ISO Non-chipbreaker Uncoated F1
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In Stock
Order multiples of 10 EA
BDR-0375-N-FPDL-R1/32
BDR-0375-N-FPDL-R1/32
BDR-0375-N-FPDL-R1/32
BDR-0375-N-FPDL-R1/32
BDR-0375-N-FPDL-R1/32
46630
 BDR-0375-N-FPDL-R1/32 		0.375" ISO Non-chipbreaker Diamond-like FPDL
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In Stock
Order multiples of 10 EA
BDR-0375-N-FP-GLH-R1/32
BDR-0375-N-FP-GLH-R1/32
BDR-0375-N-FP-GLH-R1/32
BDR-0375-N-FP-GLH-R1/32
BDR-0375-N-FP-GLH-R1/32
46640
 BDR-0375-N-FP-GLH-R1/32 		0.375" ISO Non-chipbreaker 2-Slick High-temp FP-GLH
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In Stock
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BDR-0375-N-FP-HM-R1/32
BDR-0375-N-FP-HM-R1/32
BDR-0375-N-FP-HM-R1/32
BDR-0375-N-FP-HM-R1/32
BDR-0375-N-FP-HM-R1/32
46665
 BDR-0375-N-FP-HM-R1/32 		0.375" ISO Non-chipbreaker 1-High-temp Hard FP-HM
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In Stock
Order multiples of 10 EA
BDR-0375-N-FPD-R1/32
BDR-0375-N-FPD-R1/32
BDR-0375-N-FPD-R1/32
BDR-0375-N-FPD-R1/32
BDR-0375-N-FPD-R1/32
49050
 BDR-0375-N-FPD-R1/32 		0.375" ISO Non-chipbreaker Diamond-coat FPD
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In Stock
UOM : EA
BDR-0375-N-PCD-R1/32
BDR-0375-N-PCD-R1/32
BDR-0375-N-PCD-R1/32
BDR-0375-N-PCD-R1/32
49200
 BDR-0375-N-PCD-R1/32 		0.375" ISO Non-chipbreaker 4-PCD-tipped PCD
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In Stock
UOM : EA
BDR-0500-N-F1-R1/32
BDR-0500-N-F1-R1/32
BDR-0500-N-F1-R1/32
BDR-0500-N-F1-R1/32
BDR-0500-N-F1-R1/32
46800
 BDR-0500-N-F1-R1/32 		0.500" ISO Non-chipbreaker Uncoated F1
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In Stock
Order multiples of 10 EA
BDR-0500-N-FPDL-R1/32
BDR-0500-N-FPDL-R1/32
BDR-0500-N-FPDL-R1/32
BDR-0500-N-FPDL-R1/32
BDR-0500-N-FPDL-R1/32
46805
 BDR-0500-N-FPDL-R1/32 		0.500" ISO Non-chipbreaker Diamond-like FPDL
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In Stock
Order multiples of 10 EA
BDR-0500-N-FP-GLH-R1/32
BDR-0500-N-FP-GLH-R1/32
BDR-0500-N-FP-GLH-R1/32
BDR-0500-N-FP-GLH-R1/32
BDR-0500-N-FP-GLH-R1/32
46840
 BDR-0500-N-FP-GLH-R1/32 		0.500" ISO Non-chipbreaker 2-Slick High-temp FP-GLH
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In Stock
Order multiples of 10 EA
BDR-0500-N-FP-HM-R1/32
BDR-0500-N-FP-HM-R1/32
BDR-0500-N-FP-HM-R1/32
BDR-0500-N-FP-HM-R1/32
BDR-0500-N-FP-HM-R1/32
46865
 BDR-0500-N-FP-HM-R1/32 		0.500" ISO Non-chipbreaker 1-High-temp Hard FPO-HM
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In Stock
Order multiples of 10 EA
BDR-0375-N-F1-R1/32
BDR-0375-N-F1-R1/32
BDR-0375-N-F1-R1/32
BDR-0375-N-F1-R1/32
BDR-0375-N-F1-R1/32
46600
BDR-0375-N-F1-R1/32
  • 0.375"
  • ISO
  • Non-chipbreaker
  • Uncoated
  • F1
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EA
BDR-0375-N-FPDL-R1/32
BDR-0375-N-FPDL-R1/32
BDR-0375-N-FPDL-R1/32
BDR-0375-N-FPDL-R1/32
BDR-0375-N-FPDL-R1/32
46630
BDR-0375-N-FPDL-R1/32
  • 0.375"
  • ISO
  • Non-chipbreaker
  • Diamond-like
  • FPDL
Please Log In
EA
BDR-0375-N-FP-GLH-R1/32
BDR-0375-N-FP-GLH-R1/32
BDR-0375-N-FP-GLH-R1/32
BDR-0375-N-FP-GLH-R1/32
BDR-0375-N-FP-GLH-R1/32
46640
BDR-0375-N-FP-GLH-R1/32
  • 0.375"
  • ISO
  • Non-chipbreaker
  • 2-Slick High-temp
  • FP-GLH
Please Log In
EA
BDR-0375-N-FP-HM-R1/32
BDR-0375-N-FP-HM-R1/32
BDR-0375-N-FP-HM-R1/32
BDR-0375-N-FP-HM-R1/32
BDR-0375-N-FP-HM-R1/32
46665
BDR-0375-N-FP-HM-R1/32
  • 0.375"
  • ISO
  • Non-chipbreaker
  • 1-High-temp Hard
  • FP-HM
Please Log In
EA
BDR-0375-N-FPD-R1/32
BDR-0375-N-FPD-R1/32
BDR-0375-N-FPD-R1/32
BDR-0375-N-FPD-R1/32
BDR-0375-N-FPD-R1/32
49050
BDR-0375-N-FPD-R1/32
  • 0.375"
  • ISO
  • Non-chipbreaker
  • Diamond-coat
  • FPD
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EA
BDR-0375-N-PCD-R1/32
BDR-0375-N-PCD-R1/32
BDR-0375-N-PCD-R1/32
BDR-0375-N-PCD-R1/32
49200
BDR-0375-N-PCD-R1/32
  • 0.375"
  • ISO
  • Non-chipbreaker
  • 4-PCD-tipped
  • PCD
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EA
BDR-0500-N-F1-R1/32
BDR-0500-N-F1-R1/32
BDR-0500-N-F1-R1/32
BDR-0500-N-F1-R1/32
BDR-0500-N-F1-R1/32
46800
BDR-0500-N-F1-R1/32
  • 0.500"
  • ISO
  • Non-chipbreaker
  • Uncoated
  • F1
Please Log In
EA
BDR-0500-N-FPDL-R1/32
BDR-0500-N-FPDL-R1/32
BDR-0500-N-FPDL-R1/32
BDR-0500-N-FPDL-R1/32
BDR-0500-N-FPDL-R1/32
46805
BDR-0500-N-FPDL-R1/32
  • 0.500"
  • ISO
  • Non-chipbreaker
  • Diamond-like
  • FPDL
Please Log In
EA
BDR-0500-N-FP-GLH-R1/32
BDR-0500-N-FP-GLH-R1/32
BDR-0500-N-FP-GLH-R1/32
BDR-0500-N-FP-GLH-R1/32
BDR-0500-N-FP-GLH-R1/32
46840
BDR-0500-N-FP-GLH-R1/32
  • 0.500"
  • ISO
  • Non-chipbreaker
  • 2-Slick High-temp
  • FP-GLH
Please Log In
EA
BDR-0500-N-FP-HM-R1/32
BDR-0500-N-FP-HM-R1/32
BDR-0500-N-FP-HM-R1/32
BDR-0500-N-FP-HM-R1/32
BDR-0500-N-FP-HM-R1/32
46865
BDR-0500-N-FP-HM-R1/32
  • 0.500"
  • ISO
  • Non-chipbreaker
  • 1-High-temp Hard
  • FPO-HM
Please Log In
EA
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