psi
bar
MPa
ATM
100
6.9
0.7
6.8
500
34.5
3.4
34.0
1,000
68.9
6.9
68.0
1,500
103.4
10.3
102.1
2,000
137.9
13.8
136.1
2,500
172.4
17.2
170.1
3,000
206.8
20.7
204.1
3,500
241.3
24.1
238.2
4,000
275.8
27.6
272.2
4,500
310.3
31.0
306.2
5,000
344.7
34.5
340.2
5,500
379.2
37.9
374.3
6,000
413.7
41.4
408.3
6,500
448.2
44.8
442.3
7,000
482.6
48.3
476.3
7,500
517.1
51.7
510.3
8,000
551.6
55.2
544.4
8,500
586.1
58.6
578.4
9,000
620.5
62.1
612.4
10,000
689.5
68.9
680.5
PressureConversion
Hold your fitting over the thread silhouettes below to identify
the threads.
U.S. CustomaryThreads
6-40
6-32
10-32
1/4-28
5/16-24
1/2-20
MetricThreads
M4 x 0.7
M6 x 1
Refer topage223 for anexplanationof threadnomenclature.
WhatThreadsDo IHave?
Material Structural Compatibility
TECHNICALRESOURCES
183
ConversionTables
