
unit: mm unit: mm
Major Minor Major Minor
Pitch Diameter Pitch Diameter
Diameter Diameter Diameter Diameter
Size Class Upper Lower Size Class Upper Lower
Tolerance Tolerance Tolerance Tolerance
Basic Size Basic Size Basic Size Basic Size Basic Size Basic Size
| (μm) | (μm) | (μm) | (μm) |
| + | + | + | + |
| 3/ 32 BSW 48 | - | 2.381 | 2.042 | 32 | 15 | 1.704 | G | 1/ 8 - 28 | - | 9.728 | 9.147 | 43 | 21 | 8.566 | |
| 1/ 8 BSW 40 | - | 3.175 | 2.768 | 35 | 15 | 2.362 | G | 1/4 - 19 | - | 13.157 | 12.301 | 50 | 25 | 11.445 | |
| 5/ 32 BSW 32 | - | 3.969 | 3.460 | 40 | 18 | 2.952 | G | 3/8 - 19 | - | 16.662 | 15.806 | 50 | 25 | 14.950 | |
| 3/16 BSW 24 | - | 4.762 | 4.085 | 44 | 21 | 3.407 | G | 1/ 2 - 14 | - | 20.955 | 19.793 | 57 | 28 | 18.631 | |
| 7/ 32 BSW 24 | - | 5.556 | 4.879 | 44 | 21 | 4.201 | G | 5/ 8 - 14 | - | 22.911 | 21.749 | 57 | 28 | 20.587 | |
| 1/4 BSW 20 | - | 6.350 | 5.537 | 46 | 23 | 4.724 | G | 3/4 - 14 | - | 26.441 | 25.279 | 57 | 28 | 24.117 | |
| 5/16 BSW 18 | - | 7.938 | 7.034 | 49 | 23 | 6.130 | G | 7/8 - 14 | - | 30.201 | 29.039 | 57 | 28 | 27.877 | |
| 3/ 8 BSW 16 | - | 9.525 | 8.509 | 51 | 25 | 7.493 | G | 1 - 11 | - | 33.249 | 31.770 | 72 | 36 | 30.291 | |
| 7/16 BSW 14 | - | 11.112 | 9.950 | 56 | 28 | 8.788 | G | 1 1/ 4 - 11 | - | 41.910 | 40.431 | 72 | 36 | 38.952 | |
| 1/ 2 BSW 12 | - | 12.700 | 11.345 | 61 | 30 | 9.990 | G | 1 1/ 2 - 11 | - | 47.803 | 46.324 | 72 | 36 | 44.845 | |
| 9/16 BSW 12 | - | 14.288 | 12.933 | 61 | 30 | 11.578 | |||||||||
| 5/ 8 BSW 11 | - | 15.875 | 14.396 | 63 | 30 | 12.917 | |||||||||
| 3/4 BSW 10 | - | 19.050 | 17.424 | 69 | 33 | 15.798 | |||||||||
| 7/ 8 BSW 9 | - | 22.225 | 20.418 | 69 | 33 | 18.611 | |||||||||
| 1 BSW 8 | - | 25.400 | 23.367 | 74 | 36 | 21.334 |
unit: mm Major Minor Pitch Diameter Diameter Diameter
Size Class Upper Lower
Tolerance Tolerance Basic Size Basic Size Basic Size (μm) (μm) + +
| Pg | 7 - 20 | - | 12.50 | 11.89 | 60 | 30 | 11.28 |
| Pg | 9 - 18 | - | 15.20 | 14.53 | 60 | 30 | 13.86 |
| Pg | 11 - 18 | - | 18.60 | 17.93 | 60 | 30 | 17.26 |
| Pg 13.5 - 18 | - | 20.40 | 19.73 | 60 | 30 | 19.06 | |
| Pg | 16 - 18 | - | 22.50 | 21.83 | 60 | 30 | 21.16 |
| Pg | 21 - 16 | - | 28.30 | 27.54 | 100 | 50 | 26.78 |
| Pg | 29 - 16 | - | 37.00 | 36.24 | 100 | 50 | 35.48 |