The 121-18810 is a 1 3/8"-10 high speed steel plug tap with GH4 4F specification. Plug taps have a 3 to 5 thread chamfer and are among the most commonly used tap types.
This plug tap is typically used for starting threads and tapping through holes, as well as some blind-hole applications. Hand taps are intended for general-purpose applications and hand-tapping operations.
- Model: 121-18810
- Size: 1 3/8"-10
- Type: Plug tap
- Material: High Speed Steel (H.S.S.)
- Specification: GH4 4F
- Thread chamfer: 3 to 5 threads
- Material capability: General-purpose use in ferrous and nonferrous materials
