API Spec 5B
◆ External Upset Tubing Thread Gages
|
SIZE
|
TPI
|
TPF
|
SIZE
|
TPI
|
TPF
|
|
1.315" UPTBG
|
10
|
1:16
|
2-7/8" UPTBG
|
8
|
1:16
|
|
1.66" UPTBG
|
3-1/2" UPTBG
|
||||
|
1.9" UPTBG
|
4" UPTBG
|
||||
|
2-3/8" UPTBG
|
8
|
4-1/2" UPTBG
|
◆ Non-Upset Tubing Thead Gages
|
SIZE
|
TPI
|
TPF
|
SIZE
|
TPI
|
TPF
|
|
1.315" TBG
|
10
|
1:16
|
2-7/8" TBG
|
10
|
1:16
|
|
1.66" TBG
|
3-1/2" TBG
|
||||
|
1.9" TBG
|
4" TBG
|
8
|
|||
|
2-3/8" TBG
|
4-1/2" TBG
|
◆ Line Pipe Thread Gages
|
SIZE
|
TPI
|
TPF
|
SIZE
|
TPI
|
TPF
|
|
1-1/4"LP
|
11-1/2
|
1:16
|
5"LP
|
8
|
1:16
|
|
1-1/2"LP
|
6"LP
|
||||
|
2"LP
|
8"LP
|
||||
|
3"LP
|
8
|
10"LP
|
|||
|
3-1/2"LP
|
12"LP
|
||||
|
4"LP
|
14"LP
|
◆ Buttress Casing Thread Gages
|
SIZE
|
TPI
|
TPF
|
SIZE
|
TPI
|
TPF
|
|
4-1/2" BCSG
|
5
|
1:16
|
9-5/8" BCSG
|
5
|
1:16
|
|
5"BCSG
|
10-3/4" BCSG
|
||||
|
5-1/2" BCSG
|
11-3/4" BCSG
|
||||
|
6-5/8" BCSG
|
13-3/8" BCSG
|
||||
|
7" BCSG
|
16" BCSG
|
||||
|
7-5/8" BCSG
|
18-5/8" BCSG
|
1:12
|
|||
|
8-5/8" BCSG
|
20" BCSG
|