The 121-15216 is a 13/16"-16 high speed steel plug tap, designated GH3 4F. Plug taps feature a 3 to 5 thread chamfer and are commonly used to start threads.
This tap is intended for general-purpose hand tapping operations in through holes and some blind holes, including applications involving ferrous and nonferrous materials.
- Model: 121-15216
- Size: 13/16"-16
- Type: High speed steel plug tap
- Designation: GH3 4F
- Thread chamfer: 3 to 5 threads
- Material: High Speed Steel with good wear resistance
- Use: General-purpose hand tapping operations
