Counterbores - Flat Bottom
Counterbores
Swiftly spot face or counterbore irregular surfaces and complex parts with this offering of 4 Flute Flat Bottom Counterbores and achieve excellent performance when flat bottom reaming or straightening misaligned holes.
- Outstanding for Flat Bottom Reaming or Straightening Misaligned Holes
- Flat bottom design (no dish) allows for spot facing or counterboring on irregular surfaces commonly found on rounded or complex parts
- Provides excellent performance when flat bottom reaming or straightening misaligned holes
- Ground with full cylindrical margin (not side cutting)
- Center cutting
- 15° helix
- 4 flutes
- Uncoated option well-suited for Aluminum Alloys and other Non-Ferrous Alloys
- Proprietary Val-Max X coating for improved tool life and heat resistance in ferrous materials, including Alloy Steels, Stainless Steels, Nickel Alloys, and other high hardness materials
- Solid carbide
- Precision manufactured in the USA
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| Cutter Diameter |
Flute Length |
Shank Diameter |
Overall Length |
Uncoated | Val-Max X Coated | Add to Cart | ||
|---|---|---|---|---|---|---|---|---|
| D1 +.0000"-.0005"* |
L2 +.030"-.000" |
D2 | L1 | TOOL # | PRICE | TOOL # | PRICE | |
* Tolerance listed above refers to uncoated counterbores. Tolerance for Val-Max X coated counterbores is +.0002"/-.0005".
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