HEIDENHAIN 548431-05 User Manual page 681

Q = 10
Tapered Whitworth thread
Diameter
Thread
designation (in mm)
1/16'' 7 .723
1/8'' 9.728
1/4'' 13.157
3/8'' 16.662
1/2'' 20.995
3/4'' 26.441
1'' 33.249
1 1/4'' 41.91
1 1/2'' 47 .803
2'' 59.614
2 1/2'' 75.184
3'' 87 .884
4'' 113.03
5'' 138.43
6'' 163.83
HEIDENHAIN | MANUALplus 620 | User's Manual | 12/2017
Q = 11
Whitworth pipe thread
Thread pitch
Thread
designation
0.907 1/8''
0.907 1/4''
1.337 3/8''
1.337 1/2''
1.814 5/8''
1.814 3/4''
2.309 7/8''
2.309 1''
2.309 1 1/8''
2.309 1 1/4''
2.309 1 3/8''
2.309 1 1/2''
2.309 1 3/4''
2.309 2''
2.309 2 1/4''
2 1/2''
2 3/4''
3''
3 1/4''
3 1/2''
3 3/4''
4''
4 1/2''
5''
5 1/2''
6''
Diameter Thread pitch
(in mm)
9.728 0.907
13.157 1.337
16.662 1.337
20.995 1.814
22.911 1.814
26.441 1.814
30.201 1.814
33.249 2.309
37 .897 2.309
41.91 2.309
44.323 2.309
47 .803 2.309
53.746 1.814
59.614 2.309
65.71 2.309
75.184 2.309
81.534 2.309
87 .884 2.309
93.98 2.309
100.33 2.309
106.68 2.309
113.03 2.309
125.73 2.309
138.43 2.309
151.13 2.309
163.83 2.309
10
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