Общий каталог Yamawa 2022 - 2023 - страница 1186

14. Tap, Thread Limits


■ for Bicycle Threads
Description of products


Unit：mm ■ for European Parallel Pipe Threads (G) Unit：mm
Major Minor
Major Diameter Pitch Diameter Minor Diameter Diameter Pitch Diameter Diameter
Size
Basic Basic Basic Size Class Upper Lower
Size Size Size Basic Basic Tolerance Tolerance Basic
Size Size ( μ m) ( μ m) Size
BC 5/16 - 26 7.94 7.42 6.90 ＋ ＋
G 1/8 - 28 - 9.728 9.147 43 21 8.566
BC 3/8 - 26 9.53 9.01 8.49
G 1/4 - 19 - 13.157 12.301 50 25 11.445
BC 7/16 - 26 11.11 10.59 10.07
G 3/8 - 19 - 16.662 15.806 50 25 14.950
BC 1/2 - 20 12.70 12.02 11.34
G 1/2 - 14 - 20.955 19.793 57 28 18.631
BC 9/16 - 20 14.29 13.61 12.93
G 5/8 - 14 - 22.911 21.749 57 28 20.587
BC 5/8 - 20 15.88 15.20 14.52
G 3/4 - 14 - 26.441 25.279 57 28 24.117
BC 11/16 - 24 17.46 16.90 16.34
G 7/8 - 14 - 30.201 29.039 57 28 27.877
BC 3/4 - 30 19.05 18.60 18.15
BC 31/32 - 30 24.61 24.16 23.71 G 1 - 11 - 33.249 31.770 72 36 30.291
BC 1 - 24 25.40 24.84 24.28 G 1 1/4 - 11 - 41.910 40.431 72 36 38.952
BC 1.29 - 24 32.77 32.21 31.65 G 1 1/2 - 11 - 47.803 46.324 72 36 44.845
BC 1.37 - 24 34.80 34.24 33.68
BC 1 7/16 - 24 36.51 35.95 35.39
BC 1.45 - 24 36.83 36.27 35.71
BC 1 9/16 - 24 39.69 39.13 38.57


■ for BSW Threads Unit：mm ■ for European Steel Conduit Threads (Pg) Unit：mm
Major Minor Major Minor
Pitch Diameter Pitch Diameter
Diameter Diameter Diameter Diameter
Size Class Upper Lower Size Class Upper Lower
Basic Basic Tolerance Tolerance Basic Basic Basic Tolerance Tolerance Basic
Size Size ( μ m) ( μ m) Size Size Size ( μ m) ( μ m) Size
＋ ＋ ＋ ＋
3/32 BSW 48 - 2.381 2.042 32 15 1.704 Pg 7 - 20 - 12.50 11.89 60 30 11.28
1/8 BSW 40 - 3.175 2.768 35 15 2.362 Pg 9 - 18 - 15.20 14.53 60 30 13.86
5/32 BSW 32 - 3.969 3.460 40 18 2.952 Pg 11 - 18 - 18.60 17.93 60 30 17.26
3/16 BSW 24 - 4.762 4.085 44 21 3.407 Pg 13.5 - 18 - 20.40 19.73 60 30 19.06
7/32 BSW 24 - 5.556 4.879 44 21 4.201 Pg 16 - 18 - 22.50 21.83 60 30 21.16
1/4 BSW 20 - 6.350 5.537 46 23 4.724 Pg 21 - 16 - 28.30 27.54 100 50 26.78
5/16 BSW 18 - 7.938 7.034 49 23 6.130 Pg 29 - 16 - 37.00 36.24 100 50 35.48
3/8 BSW 16 - 9.525 8.509 51 25 7.493
7/16 BSW 14 - 11.112 9.950 56 28 8.788
1/2 BSW 12 - 12.700 11.345 61 30 9.990
9/16 BSW 12 - 14.288 12.933 61 30 11.578 ■ for Microscope Objective Threads Unit：mm
Major Minor
5/8 BSW 11 - 15.875 14.396 63 30 12.917 Diameter Pitch Diameter Diameter
3/4 BSW 10 Size Class Upper Lower
- 19.050 17.424 69 33 15.798 Basic Basic Tolerance Tolerance Basic
Size Size ( μ m) ( μ m) Size
7/8 BSW 9 - 22.225 20.418 69 33 18.611 ＋ ＋
1 BSW 8 - 25.400 23.367 74 36 21.334 20.32W36 - 20.320 19.868 38 23 19.416
Information
Technical


Technical-35