Page 697 - Yamawa_European_Catalogue_YEU21

17. Taps for Pipe Threads

Intro

Comparison of the thread limit of parallel pipe taps Unit: mm

Thread Limit of ISO (G) Thread Limit ofAppendix of PF SP
Number of
Size Threads Pitch Major Dia Pitch Dia Minor Dia Major Dia Pitch Dia Minor Dia
(mm)
(per inch)
Basic Size LT Basic Size UT LT Tolerance Basic Size UT Basic Size LT Basic Size UT LT Tolerance Basic Size UT
(mm) (+) (mm) (+) (+) (mm) (mm) (+) (mm) (+) (+) (mm) (+)
r 28 0.9071 7.723 32 7.142 43 21 22 6.561 - - -
e 28 0.9071 9.728 32 9.147 43 21 22 8.566 9.728 65 9.147 40 20 20 8.566 40 SL
w 19 1.3368 13.157 37 12.301 50 25 25 11.445 13.157 90 12.301 50 25 25 11.445 50
y 19 1.3368 16.662 37 15.806 50 25 25 14.950 16.662 90 15.806 50 25 25 14.950 50
q 14 1.8143 20.955 43 19.793 57 28 29 18.631 20.955 115 19.793 55 25 30 18.631 55
u 14 1.8143 22.911 43 21.749 57 28 29 20.587 22.911 115 21.749 55 25 30 20.587 55 PO
t 14 1.8143 26.441 43 25.279 57 28 29 24.117 26.441 115 25.279 55 25 30 24.117 55
i 14 1.8143 30.201 43 29.039 57 28 29 27.877 Not Specifi ed 30.201 115 29.039 55 25 30 27.877 55
1 11 2.3091 33.249 54 31.770 72 36 36 30.291 33.249 145 31.770 60 30 30 30.291 60
1e 11 2.3091 37.897 54 36.418 72 36 36 34.939 37.897 145 36.418 60 30 30 34.939 60
ST
1w 11 2.3091 41.91 O 54 40.431 72 36 36 38.952 41.910 145 40.431 65 30 35 38.952 65
1q 11 2.3091 47.803 54 46.324 72 36 36 44.845 47.803 145 46.324 65 30 35 44.845 65
1t 11 2.3091 53.746 54 52.267 72 36 36 50.788 53.746 145 52.267 65 30 35 50.788 65
2 11 2.3091 59.614 54 58.135 72 36 36 56.656 59.614 150 58.135 75 35 40 56.656 75
ROLL
2w 11 2.3091 65.710 65 64.231 87 43 44 62.752 UT: upper deviation
LT: lower deviation
2q 11 2.3091 75.184 65 73.705 87 43 44 72.226
2t 11 2.3091 81.534 65 80.055 87 43 44 78.576
3 11 2.3091 87.884 65 86.405 87 43 44 84.926
3q 11 2 .3091 100.330 65 98.851 87 43 44 97 .372 CARBIDE
4 11 2.3091 113.030 65 111.551 87 43 44 110.072

LONG

Comparison of the thread limit of parallel internal pipe taps Unit: mm HAND
Thread Limit of ISO (G) Thread Limit ofAppendix of PF TAPS
Number of
Size Threads Pitch Major Dia Pitch Dia Minor Dia Major Dia Pitch Dia Minor Dia
(mm)
(per inch)
Basic Size LT Basic Size UT LT Basic Size Basic Size LT Basic Size UT LT Basic Size UT LT
(mm) (+) (mm) (+) (+) Tolerance (mm) UT (mm) (+) (mm) (+) (+) Tolerance (mm) (+) (-)
r 28 0.9071 7.723 43 7.142 14 43 29 6.561 - - -
EG (STI)
e 28 0.9071 9.728 43 9.147 14 43 29 8.566 9.728 +10 50 9.147 30 50 20 8.566 +10 50
w 19 1.3368 13.157 63 12.301 21 63 42 11.445 13.157 +5 75 12.301 50 75 25 11.445 +5 75
y 19 1.3368 16.662 63 15.806 21 63 42 14.950 16.662 +5 75 15.806 50 75 25 14.950 +5 75
q 14 1.8143 20.955 86 19.793 29 86 57 18.631 20.955 -25 115 19.793 85 115 30 18.631 -225 115 SPECIAL
t 14 1.8143 26.441 86 25.279 29 86 57 24.117 Not Specifi ed 26.441 -25 115 25.279 85 115 30 24.117 -25 115 THREADS,
1 11 2.3091 33.249 109 31.770 37 109 72 30.291 33.249 -50 150 31.770 120 150 30 30.291 -50 150 GAUGES
1w 11 2.3091 41.910 109 40.431 37 109 72 38.952 41.910 -50 150 40.431 115 150 35 38.952 -50 150
1 q 11 2.3091 47.803 109 46.324 37 109 72 44.845 47.803 -50 150 46.324 115 150 35 44.845 -50 150
THREAD
2 11 2.3091 59.614 109 58.135 37 109 72 56.656 59.614 -45 145 58.135 105 145 40 56.656 -45 145
MILLS
2 q 11 2.3091 75.184 130 73.705 43 130 87 72.226 UT: upper deviation
LT: lower deviation
3 11 2.3091 87.884 130 86.405 43 130 87 84.926
4 11 2.3091 113.030 130 111.551 43 130 87 110.072
DIES

CENTER
DRILLS

Technical
info

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