The 121-30840 is an 8 - 40 GH2 H.S.S. hand tap with special spiral-point geometry, identified as an SP PT tap for producing internal threads.
This type of tap is typically used for general internal-thread tapping operations in maintenance, repair, and fabrication work where an 8 - 40 thread is required.
- Product model: 121-30840
- Size: 8 - 40
- Pitch diameter limit: GH2
- Material: H.S.S. (high-speed steel)
- Tool type: Hand tap
- Point style: Spiral point (SP PT)