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Products > Cutting Tools > Boring Bars     All A R Warner products

Boring Bar, 1/2" Indexable, HSS Triangle Inserts, A R Warner Kit #14

         Made in United States
Boring Bar, 1/2" Indexable, HSS Triangle Inserts, A R Warner Kit #14
Part Number: 1721
Weight: 0.64 lb

Price: $102.00

In stock
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  • 1/2" diameter, 5" long HSS boring bar with TPMW-221 insert
  • 2 extra TPMW-221 high speed steel inserts
  • 1 extra Torx screw
  • 1 wrench


This Arthur R. Warner Co. precision indexable boring bar uses high speed steel inserts. Combine the advantages of high speed steel cutting tools with the convenience of indexable tooling.

The Arthur R. Warner Co. is a family-owned American manufacturer of high speed steel products with specialization in cutting, shaping, pre-grinding, heat treating, and finish grinding of premium grades of flat high speed steel. Their quality is excellent and is proud to carry their products.

Chris' Tips

Chris Chris' Tips
Make sure you get the correct inserts and retaining screws for your indexable turning tools.

Our chart of indexable inserts shows which inserts and which screw to use with each of our indexable tools.

Here's a video that talks about high speed steel tooling.


Overall Length 6.0" (152 mm)
Minimum Bore .760
Lead Angle
Back Rake
Insert Relief 11°
IC 0.250" (6.35 mm)
Insert Thickness 0.125" (3.17 mm)
Insert Hole 0.110" (2.79 mm)
Insert Top Opening 0.146" (3.71 mm)
Insert Radius 0.015" (0.38 mm)
Screws MS-1153 S
Wrench T-7



This product works with these products:

This product works with lathes with a 0.5 to 0.625 inch tool bit size including:

  • 3595 HiTorque 8.5x20 Deluxe Bench Lathe
  • 7500 HiTorque 8.5x20 Bench Lathe
  • 7550 HiTorque 8.5x20 Deluxe Bench Lathe
  •   BD-920N Jet 9x20 Lathe
  •   Grizzly G4000 9x19 Bench Lathe
  •   Harbor Freight 45861 Central Machinery 9x20 Bench Lathe


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