The 121-66212 3 7/8-12 High Speed Steel Taper Tap is a hand tap with a 7 to 10 thread chamfer. Also known as a starter tap, its longer chamfer provides a less aggressive cutting action.
This taper tap is typically used for general-purpose hand tapping operations, including through holes and applications where a tap guide is necessary.
- Model: 121-66212
- Size: 3 7/8-12
- Type: High Speed Steel taper tap
- Chamfer: 7 to 10 threads
- Application: General-purpose hand tapping operations
- Material capability: Ferrous and nonferrous materials
