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.
Features:
- Unmatched precision in long reach counterboring applications
- Flat bottom design (no dish) allows for spot facing or counterboring on irregular surfaces commonly found on rounded or complex parts
- Ground with full cylindrical margin (not side cutting)
- Center cutting
- 15 Degree 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 up to 65 Rc
- Solid carbide
- Precision manufactured in the USA
Product Specifications
Manufacturer Part Number | V970511 |
Cutter Diameter (Inch) | 0.1250" (1/8) |
Neck Diameter (Inch) | 0.1130" |
Flute Length (Inch) | 0.500" (1/2) |
Shank Diameter (Inch) | 0.1250" (1/8) |
Overall Length (Inch) | 2.5000" (2-1/2) |
Overall Reach (Inch) | 1.0000" (1) |
Metric | N |
Number of Flutes | 4 |
Coating | Uncoated |

Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
Brand:
Valor
Cutter Diameter (Inch):
1/8"
Cutter Diameter (Decimal Inch):
0.1250"
Cutter Diameter (mm):
3.18mm
Shank Diameter (Inch):
1/8"
Shank Diameter (Decimal Inch):
0.1250"
Shank Diameter (mm):
3.18mm
Neck Diameter (Inch):
7/62"
Neck Diameter (Decimal Inch):
0.1130"
Neck Diameter (mm):
2.87mm
Overall Length (Inch):
2-1/2"
Overall Length (Decimal Inch):
2.5000"
Overall Length (mm):
63.50mm
Flute Length (Inch):
1/2"
Flute Length (Decimal Inch):
0.5000"
Flute Length (mm):
12.70mm
Number of Flutes:
4