Page 682 - Yamawa_European_Catalogue_YEU21

10. Tap Thread Limits (JIS, DIN, ANSI)

Intro

Whitworth Threads (BSW) Unit: mm Parallel Pipe Threads G(BSP) Unit: mm
Major Pitch Diameter Minor Major Pitch Diameter Minor
diameter diameter diameter diameter
SP Size Class Upper Lower Size Class Upper Lower
Basic Basic Tolerance Tolerance Basic Basic Basic Tolerance Tolerance Basic
Size Size Size Size Size Size
(μm) + (μm) + (μm) + (μm) +
1/8 W 40 P1 3.175 2.768 25 10 2.362 G 1/8 - 28 - 9.728 9.147 43 21 8.566
5/32 W 32 P2 3.969 3.460 40 20 2.952 G 1/4 - 19 - 13.157 12.301 50 25 11.445
SL 3/16 W 24 P2 4.762 4.085 40 20 3.407 G 3/8 - 19 - 16.662 15.806 50 25 14.950
7/32 W 24 P2 5.556 4.879 40 20 4.201 G 1/2 - 14 - 20.955 19.793 57 28 18.631
1/4 W 20 P2 6.350 5.537 40 20 4.724 G 5/8 - 14 - 22.911 21.749 57 28 20.587
5/16 W 18 P2 7.938 7.034 40 20 6.130 G 3/4 - 14 - 26.441 25.279 57 28 24.117
PO 3/8 W 16 P2 9.525 8.509 40 20 7.493 G 7/8 - 14 - 30.201 29.039 57 28 27.877
7/16 W 14 P3 11.112 9.950 60 40 8.788 G 1 - 11 - 33.249 31.770 72 36 30.291
1/2 W 12 P3 12.700 11.345 60 40 9.990 G 1 1/4 - 11 - 41.910 40.431 72 36 38.952
9/16 W 12 P3 14.288 12.933 60 40 11.578 G 1 1/2 - 11 - 47.803 46.324 72 36 44.845
ST 5/8 W 11 P3 15.875 14.396 60 40 12.917
3/4 W 10 P3 19.050 17.424 60 40 15.798
Parallel Pipe Threads PF(G) Unit: mm
7/8 W 9 P3 22.225 20.418 60 40 18.611
Major Minor
1 W 8 P3 25.400 23.367 60 20 21.334 Pitch Diameter
diameter diameter
1 1/8 W 7 P4 28.575 26.252 80 40 23.929 Size Class Upper Lower
ROLL Basic Basic Basic
1 1/4 W 7 P4 31.750 29.427 80 40 27.104 Size Size Tolerance Tolerance Size
(μm) + (μm) +
1 3/8 W 6 P4 34.925 32.214 80 40 29.503
PF 1/16 - 28 II 7.723 7.142 40 20 6.561
1 1/2 W 6 P4 38.100 35.389 80 40 32.678
PF 1/8 - 28 II 9.728 9.147 40 20 8.566
1 5/8 W 5 P4 41.275 38.022 80 40 34.769 PF 1/4 - 19 II 13.157 12.301 50 25 11.445
CARBIDE
1 3/4 W 5 P4 44.450 41.197 80 40 37.944
PF 3/8 - 19 II 16.662 15.806 50 25 14.950
1 7/8 W 4.5 P4 47.625 44.011 80 40 40.397
PF 1/2 - 14 II 20.955 19.793 55 25 18.631
2 W 4.5 P4 50.800 47.186 80 40 43.572
PF 5/8 - 14 II 22.911 21.749 55 25 20.587
PF 3/4 - 14 II 26.441 25.279 55 25 24.117
LONG
Taper Internal Pipe Threads Rc(BSPT)-PT Unit: mm PF 7/8 - 14 II 30.201 29.039 55 25 27.877
PF 1 - 11 II 33.249 31.770 60 30 30.291
Major Diameter Pitch Diameter Minor Diameter PF 1 1/4 - 11 II 41.910 40.431 65 30 38.952
Size
HAND Basic Size Basic Size Basic Size PF 1 1/2 - 11 II 47.803 46.324 65 30 44.845
TAPS PT 1/16 - 28 7.723 7.142 6.561 PF 2 - 11 II 59.614 58.135 75 35 56.656
PF 2 1/2 - 11 II 75.184 73.705 80 40 72.226
PT 1/8 - 28 9.728 9.147 8.566
PF 3 - 11 II 87.884 86.405 85 40 84.926
PT 1/4 - 19 13.157 12.301 11.445
PF 3 1/2 - 11 II 100.330 98.851 85 40 97.372
PT 3/8 - 19 16.662 15.806 14.950
EG (STI) PF 4 - 11 II 113.030 111.551 85 40 110.072
PT 1/2 - 14 20.955 19.793 18.631
PT 5/8 - 14 22.911 21.749 20.587
PT 3/4 - 14 26.441 25.279 24.117 Parallel Internal Pipe Threads Rp(BSPP)-PS Unit: mm
SPECIAL PT 7/8 - 14 30.201 29.039 27.877 Major Minor
THREADS, PT 1 - 11 33.249 31.770 30.291 diameter Pitch Diameter diameter
GAUGES Size Class Upper Lower
PT 1 1/8 - 11 37.897 36.418 34.939 Basic Basic Tolerance Tolerance Basic
Size Size Size
PT 1 1/4 - 11 41.910 40.431 38.952 (μm) + (μm) +
PS 1/16 - 28 II 7.723 7.142 30 50 6.561
PT 1 1/2 - 11 47.803 46.324 44.845
THREAD PS 1/8 - 28 II 9.728 9.147 30 50 8.566
PT 1 3/4 - 11 53.746 52.267 50.788
MILLS PS 1/4 - 19 II 13.157 12.301 50 75 11.445
PT 2 - 11 59.614 58.135 56.656
PS 3/8 - 19 II 16.662 15.806 50 75 14.950
PT 2 1/4 65.710 64.231 62.752
PS 1/2 - 14 II 20.955 19.793 85 115 18.631
PT 2 1/2 75.184 73.705 72.226
PS 5/8 - 14 II 22.911 21.749 85 115 20.587
DIES PT 3 - 11 87.884 86.405 84.926
PT 3 1/2 100.330 98.851 97.372 PS 3/4 - 14 II 26.441 25.279 85 115 24.117
PT 4 - 11 113.030 111.551 110.072 PS 7/8 - 14 II 30.201 29.039 85 115 27.877
PS 1 - 11 II 33.249 31.770 120 150 30.291
CENTER PS 1 1/4 - 11 II 41.910 40.431 115 150 38.952
DRILLS PS 1 1/2 - 11 II 47.803 46.324 115 150 44.845
PS 2-11 II 59.614 58.135 105 145 56.656
PS 2 1/2 - 11 II 75.184 73.705 140 180 72.226
Technical PS 3 - 11 II 87.884 86.405 135 180 84.926
info PS 4 - 11 II 113.030 111.551 135 180 110.072
680