The 121-83020 1 7/8-20 High Speed Steel Bottom Tap is designed with a 1 to 2 thread chamfer for tapping blind holes and producing threads close to the bottom of the hole. High Speed Steel provides good wear resistance for general-purpose applications involving both ferrous and nonferrous materials.
This hand tap is typically used for general-purpose hand tapping operations where threads are required near the bottom of a blind hole.
- Model: 121-83020
- Size: 1 7/8-20
- Type: High Speed Steel bottom tap
- Thread chamfer: 1 to 2 threads
- Use: Blind holes and general-purpose hand tapping operations