
Threading Insert for Oil Pipe Threading Insert for Oil Pipe
Helter Series API Round Inserts Parallelogram Series API Round Inserts
Pitch Pitch
Type Designation I.C H L B C d Y Picture Type Designation I. C H L B C d Y 0 Picture
( tpi ) ( tpi )
L
R 8N R 1 . 4 S 1 5-Q 8 15.875 15.700 3.100 5.00 4 9° R8ER2.5P19 8 19.000 18.4 5.950 6.35 9.5 8 10 ° 8 0°
R 1 0 E R 2 . 5 P1 9 10 19.000 18.4 5.950 6.35 9.5 8 10 ° 8 0°
m
x
CD
3
Q)
3
R 1 0 N R1 . 5 S 1 5-Q 10 15.875 15.750 2.500 5.00 4 9° R 8 N R 2 . 5P1 9 8 19.000 18.4 5.950 6.35 9.5 8 10 ° 8 0°
R 8 1 0 N R 2 . 5P1 9 8 19.000 18.4 5.950 6.35 9.5 8 10 ° 8 0°
I T>
CD
3
Q)
c
B
I.C
H
0
3 R 8 N R 1 . 7 S2 5 8 25.000 15.715 3.700 5.00 4 10 °
Q) 1
Prism Series API Round Inserts
Pitch
Type Designation A H L B a Picture
( tpi )
R 8E R 1 . 2L4 0 8 40.000 7.7 7.850 13.64 8°
R 1 0 N R 1 . 8 S2 5 10 2 5 . 0 0 0 15.490 2.500 5.00 4 10 °
i R 1 0E R 1 . 2L4 0 10 40.000 7.7 7.200 12.92 8°
m A
X
0
3 a
O 03
A
Biforate SeriesAPI Round Inserts
Pitch
Type Designation A H L B C d E Picture
( tpi )
R 8 ER 2.3 D 24 8 24.000 12 10.340 6.4 15 4.70
R 10 ER 2.3 D 24 10 24.000 12 6.850 6.4 15 4.70
API Round Inserts for PMC Machine Tools ( USA ) m
x
0
Pitch
Type Designation
( tpi )
A H L B d a A Picture O)
A
R 8 E R 1 . 3 S 1 5 T- P 3 . 1 8 15.930 14.700 7.720 5.185 4° i
p
R 8 E R 1 . 3 S 1 5 T- P 3.2 8 15.930 1 4 . 7 0 0 6.670 5.185 4° i R 8 NR 2.4 D 24 8 24.000 12.4 10.340 6.4 15 4.70
m
X R 8 E R 1 . 3 S 1 5 T- P 3 . 3 8 15.930 14.700 5.610 5.185 4°
CD x
o'
=CD3
B A
* Q
3
R 8 N R 1 . 7 S2 5-P 8 25.4 15.715 3.700 5.185 4 7°3 0
0
J 3
Q)
R 8 NR 1.5 D 24 8 24.000 14.85 9.500 5 8 4.86 4 _L
R 8 NR 1.7 D 24 8 24.000 14.85 3.400 5 8 4.86 4
CD
3
x
CD R 10 NR 1.7 D 24 10 24.000 14.85 7.400 5 8 4.86 4
-
B A
C