| CODE | SIZE RANGE (mm) |
|---|---|
| BB16 | 1.18 ÷ 1.40 |
| BB20 | 1.0 ÷ 1.18 |
| BB24 | 0.71 ÷ 0.85 |
| BB30 | 0.6 ÷ 0.71 |
| BB36 | 0.5 ÷ 0.60 |
| BB40 | 0.425 ÷ 0.50 |
| BB46 | 0.355 ÷ 0.425 |
| BB60 | 0.25 ÷ 0.30 |
| BB80 | 0.18 ÷ 0.212 |
| BB100 | 0.125 ÷ 0.15 |
| BB120 | 0.106 ÷ 0.125 |
| BB150 | 0.075 ÷ 0.106 |
| BB180 | 0.053 ÷ 0.09 |
| BB220 | 0.045 ÷ 0.075 |