Threading Thread Turning
API--External
(mm)
Product code
IC
S
D1 5.1
PNA
22..
12.7 4.72
60º
α=arctan(IPF/24)
Threads Per Inch
Dimension (mm)
Product code
Taper
Insert Grades
Insert Below shows is right hand
API Code
Right hand
TPI
IPF
PDX
22ER 4API384
4
3
V-0.038R
2.8
○ ● ●
22ER 4API384-1/8
4
1.5
V-0.038R
2.8
○ ○ ○
22ER 4API386
4
2
V-0.038R
2.8
○ ● ●
22ER 4API386-1/12
4
1
V-0.038R
2.8
○ ○ ○
22ER 4API504
4
3
V-0.050
2.9
○ ● ●
22ER 4API504-1/8
4
1.5
V-0.050
2.9
○ ○ ○
22ER 4API506
4
2
V-0.050
2.9
○ ● ●
22ER 4API506-1/12
4
1
V-0.050
2.9
○ ○ ○
22ER 5API404
5
3
V-0.040
2.6
○ ○ ○
22ER 5API404-1/8
5
1.5
V-0.040
2.6
○ ○ ○
22ER 6API558
6
1.5
V-0.055
2.0
○ ○ ○
22ER 6API558-1/16
6
0.75
V-0.055
2.0
○ ○ ○
●: Standard stock ○: Made-to-Order
622
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