The 789 1/2 20 is a 1/2-20 high speed steel combined drill and tap designed to drill and tap through (thru) holes in a single pass, up to two times the tap diameter.
This combined tool is typically used for general production drilling and tapping of through holes, including applications on multiple spindle heads with reversing mechanisms.
- Model: 789 1/2 20
- Size: 1/2-20
- Material: High speed steel
- Tool type: Combined drill and tap
- Flutes: 2-Flute
- Operation: Drills and taps through holes in a single pass
- Maximum hole depth: Up to two times the tap diameter
- Compatible setup: Multiple spindle heads with reversing mechanisms
