Counterbores - Flat Bottom - Long Reach
Counterbores
This offering of Valor Holemaking Flat Bottom Counterbores features an undersized neck to avoid heeling when spot facing or counterboring on irregular surfaces, flat bottom reaming, and straightening misaligned holes.
- Unmatched Precision in Long Reach Counterboring Applications
- Engineered with an undersized neck to avoid heeling
- 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 |
Overall Reach |
Shank Diameter |
Overall Length |
Uncoated | Val-Max X Coated | Add to Cart | ||
|---|---|---|---|---|---|---|---|---|---|
| D1 +.0000"-.0005"* |
L2 +.030"-.000" |
L3 +.030"-.000" |
D2 | L1 | TOOL # | PRICE | TOOL # | PRICE | |
* Tolerance listed above refers to uncoated counterbores. Tolerance for AlTiN coating is +.0002"/-.0005".
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