| Kind | Allowable Tolerance | Internal Standard Allowable Tolerance |
Allowable Tolerance Between Brush and Brush Holder | ||||
| C1(Min.) | C2(Max.) | ||||||
| Graphite Brush |
Thickness 8 less than | Thickness | -0.02-0.07 | +0.02 -0 | 0.02 | 0.17 | |
| Width | -0.05-0.15 | +0.02 -0 | 0.05 | 0.25 | |||
| Thickness 8 less than |
Thickness | A Grade | -0.05-0.20 | +0.10 +0 | 0.05 | 0.30 | |
| B Grade | -0.05-0.10 | +0.10 +0 | 0.05 | 0.20 | |||
| C Grade | -0.10-0.15 | +0.10 +0 | 0.10 | 0.25 | |||
| Width | A Grade | -0.15-0.35 | +0.10 +0 | 0.15 | 0.45 | ||
| B,C Grade | -0.10-0.30 | +0.10 +0 | 0.10 | 0.40 | |||
| Metallic Brush |
Thickness | 8 less than | -0.05-0.15 | +0.1 +0 | 0.05 | 0.25 | |
| 8~16 less than | -0.10-0.20 | +0.1 +0 | 0.10 | 0.30 | |||
| 16~32 less than | -0.20-0.30 | +0.1 +0 | 0.20 | 0.40 | |||
| 32 more than | -0.30-0.40 | +0.1 +0 | 0.30 | 0.50 | |||
| Width | 8 less than | -0.10-0.20 | +0.1 +0 | 0.10 | 0.30 | ||
| 8~16 less than | -0.10-0.30 | +0.1 +0 | 0.10 | 0.40 | |||
| 16~32 less than | -0.20-0.40 | +0.1 +0 | 0.20 | 0.50 | |||
| 32 more than | -0.30-0.50 | +0.1 +0 | 0.30 | 0.60 | |||
