1 thr e ad pitc h – HEIDENHAIN SW 548328-05 User Manual
Page 571

HEIDENHAIN MANUALplus 620
571
9.1 Thr
e
ad pitc
h
Q = 16 NPT US taper pipe thread
Q = 17 NPTF US taper dryseal pipe thread
Thread
designation
Diameter
(in mm)
Thread pitch
Thread
designation
Diameter
(in mm)
Thread pitch
1/16“
7.938
0.94074074
3 1/2“
101.6
3.175
1/8“
10.287
0.94074074
4“
114.3
3.175
1/4“
13.716
1.411111111
5“
141.3
3.175
3/8“
17.145
1.411111111
6“
168.275
3.175
1/2“
21.336
1.814285714
8“
219.075
3.175
3/4“
26.67
1.814285714
10“
273.05
3.175
1“
33.401
2.208695652
12“
323.85
3.175
1 1/4“
42.164
2.208695652
14“
355.6
3.175
1 1/2“
48.26
2.208695652
16“
406.4
3.175
2“
60.325
2.208695652
18“
457.2
3.175
2 1/2“
73.025
3.175
20“
508
3.175
3“
88.9
3.175
24“
609.6
3.175
Thread
designation
Diameter
(in mm)
Thread pitch
Thread
designation
Diameter
(in mm)
Thread pitch
1/16“
7.938
0.94074074
1“
33.401
2.208695652
1/8“
10.287
0.94074074
1 1/4“
42.164
2.208695652
1/4“
13.716
1.411111111
1 1/2“
48.26
2.208695652
3/8“
17.145
1.411111111
2“
60.325
2.208695652
1/2“
21.336
1.814285714
2 1/2“
73.025
3.175
3/4“
26.67
1.814285714
3“
88.9
3.175