To form concave radii on small wheels.
| Tool No. |
Radius |
|---|---|
| FR-10 | .010 |
| FR-15 | .015 |
| FR-20 | .020 |
| FR-25 | .025 |
| FR-30 | .032 |
| FR-60 | .062 |
| FR-125 | .125 |
| FR-250 | .250 |
Forms convex radii from .015" to .500" on wheel corner. The sharp octahedron diamond is precision centered.
| Tool No. |
Radius to be dressed |
|---|---|
| MR-1 | .015 to .125 |
| MR-2 | .125 to .250 |
| MR-3 | .250 to .500 |
| MR-4 | .500 up |
Dresses concave radii of .047" to .125" in the wheel center. The size of these tough diamonds determine radius.
| Tool No. |
Radius to be dressed |
|---|---|
| HC-1 | 3/64 |
| HC-2 | 1/16 |
| HC-3 | 3/32 |
| HC-4 | 1/8 |