Choose Section
Grain
| Letter | Grain | Purpose |
|---|---|---|
| A | Aluminum Oxide | For general-purpose use on all metals except titanium |
| C | Silicon Carbide | For use on non-metallics and titanium |
Grit
| Grit Number | Texture | Purpose |
|---|---|---|
| 24 | Coarse | For fast cutting and maximum wheel life |
| 30 | Medium/Coarse | For fast cutting and long wheel life |
| 36 | Medium/Coarse | Excellent for general-purpose cutting |
| 46 | Fine/Medium | For a smoother finish and reduced burr |
| 60 | Fine | For a burr-free cut |
| 80 | Fine | For a burr-free cut |
Grade
| Grade | Toughness | Purpose |
|---|---|---|
| T-V | Hard | For maximum wheel life |
| R/S | Medium/Hard | For improved stock removal |
| E-N | Soft | For maximum cut rate |
Soft vs. Hard Wheels
SOFT WHEELS
- Shorter wheel life
- High stock removal
- Faster cut
- Large contact areas
- Less bond holding the grain together
HARD WHEELS
- Longer wheel life
- Lower stock removal
- Slower cut
- Finer finishes
- More bond holding the grain together
Wheel Thickness
CUT OFF WHEELS
- 1/32” = 0.031”
- 1/25” = 0.040”
- 1/16” = 0.063”
- 5/64” = 0.078”
- 3/32” = 0.094”
- 1/8” = 0.125”
- 9/64” = 0.141”
GRINDING DISCS
- 5/32” = 0.156”
- 1/4” = 0.250”
- 5/16” = 0.312”