Jul 13, 2023 Citation?  Cause quartz is not actually any denser than most granites at ~2.6-2.7g/cm3.  You're proposing to develop routes like they were in the 1990s with what is f… View Message

Jul 13, 2023 The self drive part you linked to by Kong (Raumer also makes them) is actually 12mm in diameter.  They require a very precise 32mm depth with a flat bottom or the cone won… View Message