Hardness:
HRC 63-65
Tolerances on the bushings:
D1=F7, d=n6
| Ø d1 | Ø Outer d | L Short | L Long | L X long |
| 0,80-1,00 | 3 | 6 | 9 | – |
| 1,10-1,80 | 4 | 6 | 9 | – |
| 1,90-2,60 | 5 | 6 | 9 | – |
| 2,70-3,30 | 6 | 8 | 12 | 16 |
| 3,40-4,00 | 7 | 8 | 12 | 16 |
| 4,10-5,00 | 8 | 8 | 12 | 16 |
| 5,10-6,00 | 10 | 10 | 16 | 20 |
| 6,10-8,00 | 12 | 10 | 16 | 20 |
| 8,10-10,00 | 15 | 12 | 20 | 25 |
| 10,10-12,00 | 18 | 12 | 20 | 25 |
| 12,5 | 22 | 16 | 28 | 36 |
| 13 | 22 | 16 | 28 | 36 |
| 13,5 | 22 | 16 | 28 | 36 |
| 14 | 22 | 16 | 28 | 36 |
| 14,5 | 22 | 16 | 28 | 36 |
| 15 | 22 | 16 | 28 | 36 |
| 15,5 | 26 | 16 | 28 | 36 |
| 16 | 26 | 16 | 28 | 36 |
| 16,5 | 26 | 16 | 28 | 36 |
| 17 | 26 | 16 | 28 | 36 |
| 17,5 | 26 | 16 | 28 | 36 |
| 18 | 26 | 16 | 28 | 36 |
| 18,5 | 30 | 20 | 36 | 45 |
| 19 | 30 | 20 | 36 | 45 |
| 19,5 | 30 | 20 | 36 | 45 |
| 20 | 30 | 20 | 36 | 45 |
| 20,5 | 30 | 20 | 36 | 45 |
| 21 | 30 | 20 | 36 | 45 |
| 21,5 | 30 | 20 | 36 | 45 |
| 22 | 30 | 20 | 36 | 45 |
| 22,5 | 35 | 20 | 36 | 45 |
| 23 | 35 | 20 | 36 | 45 |
| 23,5 | 35 | 20 | 36 | 45 |
| 24 | 35 | 20 | 36 | 45 |
| 24,5 | 35 | 20 | 36 | 45 |
| 25,00-26,00 | 35 | 20 | 36 | 45 |
| 26,50-30,00 | 42 | 25 | 45 | 56 |
Order example: Flange drill bushing d1Ø4 dØ7, short type BBF 0408-719
From d1 0,8 to 12,0 mm we can supply with d1 every tenth of a mm. From 12,0 mm only every 0,5 mm.
However, we can supply every tenth of a mm from d1 12,0 mm but with a price surcharge.
Intermediate hundreds will be charged extra.
Type B: rounded in both ends changes the price surcharge.