| Surface feet/minute | Application |
| 2,000-3,000 | Agates, Jaspers and other Lapidary rocks |
| 3,500-4,500 | Hard dense Ceramics, Natural Quartz, Ruby Germanium and Sapphire |
| 5,000-6,000 | Wall tile, medium hard Glass, Fused Quartz, hard Glass and Silicon |
| 7,000-8,000 | Hard Marble and medium Granite |
| 8,500-10,000 | Light weight Refractories and medium hard Marble |
View the Speed Conversion Chart
