Achieve outstanding performance and superior part finish with Helical Solutions' Corner Rounding End Mills. Helically ground with a positive rake and engineered with large pilot diameters, these tools provide unmatched strength and consistent performance.
Features:- Helically ground with positive rake for high performance and superior part finish
- Large pilot diameters for maximum tool strength and consistent performance
- 2 Degree flares for smooth transitions
- Radius center is offset0.005" from OD and end of tool
- h6 shank tolerance for high precision tool holders
- Zplus coating offers higher hardness and added lubricity for maximum performance in aluminum and non-ferrous alloys
- Aplus coating for added lubricity and higher speeds and feeds in a wide variety of ferrous metals and titanium alloys
- Solid carbide
- CNC ground in the USA
Product Specifications
Tool Number | 87644 |
Cutter Diameter (Inch) | 0.7500" |
Pilot Diameter (Inch) | 0.2390" |
Length of Cut (Inch) | 0.2553" |
Overall Length (Inch) | 3.0000" |
Radius (Inch) | 0.2500" |
No of Flutes | 3 |
Pilot Flare | 2 |
Shoulder Flare | 2 |
Shank Diameter (Inch) | 0.7500" |
Coating | Zplus |

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:
Helical Solutions
Cutter Diameter (Inch):
3/4"
Cutter Diameter (Decimal Inch):
0.7500"
Pilot Diameter (Decimal Inch):
0.2390"
Length of Cut (Decimal Inch):
0.2553"
Overall Length (Inch):
3"
Overall Length (Decimal Inch):
3.0000"
Radius (Inch):
1/4"
Radius (Decimal Inch):
0.2500"
Number of Flutes:
3
Shank Diameter (Inch):
3/4"
Shank Diameter (Decimal Inch):
0.7500"
Shank Length (Decimal Inch):
2.7447"
Finish/Coating:
ZPLUS
Center Cutting:
No
Through Coolant:
No