螺紋刻度盤組件（英制）

Finally, a simple way to set up threading on my lathe without having to guess at the gear ratios. The inch-specific dial makes it straightforward to switch between standard thread pitches, and the whole assembly fit perfectly onto the existing leadscrew mount.

Installed this on my mini lathe and the gear mesh was spot on right out of the box. The numbered dial is crisp and easy to read, which makes chasing threads much less guesswork.

Installed this on my mini lathe yesterday and it fit perfectly without any modifications needed. The graduated inch scale is crisp and aligns well with the threading gear setup I already had.