Vít Hiệu Chuẩn Máy Xay Ode

The threads are machined precisely, so they seated perfectly without any wobble or cross-threading. My grind consistency is back to where it was when the grinder was new, and having the four-screw pack is a nice safety net for the future.

I’ve been using these calibration screws for a few weeks now, and the grind consistency is noticeably more stable than before. They fit perfectly into the existing holes and tightened without any stripping.

Took about five minutes to swap the old screws out and the grinder's consistency is noticeably better—definitely worth grabbing a spare set.