1/4-20 Combination Drill/Thread Mill
3 Flutes, Solid Carbide, Uncoated
Item #: HTC 820644
Carbide Combination Drill/Thread Mills
Cuts internal 60° UN threads
Designed for combined drilling, threading, thread relief cutting, and chamfering. One cutter for 4 different operations saves time on tool changes and leaves more room in the tool carousel. Length of cut includes transition angle, allowing for optional 45° chamfer pass.
Cuts internal 60° UN threads
- 3 flutes to center
- 90° included back chamfer
- Solid carbide - CNC ground in the USA
Designed for combined drilling, threading, thread relief cutting, and chamfering. One cutter for 4 different operations saves time on tool changes and leaves more room in the tool carousel. Length of cut includes transition angle, allowing for optional 45° chamfer pass.
Item Specifications
-
HARVEY TOOL
-
.0394"
-
Uncoated
-
.2013"
-
.0500"
-
.6345"
-
2-1/2"
-
1/4"
-
.1800"
-
1/4-20
-
.1180"