
Threading Insert for Oil Pipe Threading Insert for Oil Pipe
Helter Series API Buttress Inserts Parallelogram SeriesAPI Buttress Inserts
Pitch Pitch
Type Designation A H L B d a Picture Type Designation I. C H L B C d Y 0 Picture
( tpi ) ( tpi )
B4NR 1.1 S 15 4 15.760 15.530 11.470 4.76 4 12 ° B 5 ER 2.3 P 19 5 19.000 18.9 5.950 6.35 9.5 8 10 ° 80 ° i.
m
X
CD
3
CD
B 5 NR 1.2 S 15 5 15.875 15.750 7.650 5 4 8 ° 30 '
B 5 NR 1.2 S 15 - G 5 15.875 15.250 7.680 4.9 4 9° _
V T\ B 5 NR 2.3 P 1 9 5 19.000 18.9 5.950 6.35 9.5 8 10 ° 80 °
=>
o
=CD3
A
B 5 NR 1.2 S 15 -T 5 15.875 15.750 7.700 5.00 4 9° L
B 5 NR 1.2 S 15 -TX 5 15.875 15.750 7.350 5.00 4 9°
Triangle Series API Buttress Inserts ( On - edge Type )
3 A
Pitch
0 Type Designation I. C H L B d a Picture
B 5 NR 1.1 S 15 - CB 5 15.875 15.750 12.500 5.00 4 8 ° 30 ' ( tpi )
Q)
B 5 NR 1.1 S 15 - CB 2 5 15.875 15.750 12.500 5.00 4 8 ° 30 ' VB 5 ER 3.1 T 16 5 16.000 26.2 2.760 6.45 6.4 9°
VB 5 EL 3.1 T 16 5 16.000 26.2 2.760 6.45 6.4 9°
i
m
X
CD
CD
A
L
B 6 NR 1.1 S 16 6 16.000 15.740 12.500 5.00 4 8 ° 30 ' a
B 6 NR 1.1 S 16 - H 6 6 16.000 15.750 13.200 5.00 4 10 °
17 VB 5 NR 3.1 T 16 5 16.000 26.2 2.760 6.45 6.4 9°
B 8 NR 1.1 S 15 - TB 8 15.875 15.940 13.625 5.00 4 8 ° 30 '
B 8 NR 1.1 S 16 - CBT 8 16.000 15.740 13.360 5.00 4 8 ° 30 '
X
VB 5 NL 3.1 T 16 5 16.000 26.2 2.760 6.45 6.4 9°
o
13
B 8 NR 1.1 S 16 - P 8 16.000 15.740 13.750 5.00 4 8 ° 30 ' CD X
B A =CD3
B 5 NR 1.5 S 25 5 25.400 15.736 1.185 5.185 4 10 °
'
Biforate SeriesAPI Buttress Inserts
A
Pitch
Type Designation A H L B C d a E Picture
( tpi )
API Buttress Inserts for PMC Machine Tools ( USA ) B 5 ER 2.2 D 24 5 24.000 12 15.760 6.5 15 4.70
=
.
- - B oi
m
Pitch X
Type Designation A H L B d a Picture CD
( tpi ) CD I ’ '
B 5 ER 1.3 S 16 - P 3.1 5 16.900 14.600 4.370 5.185 10 ° L » -J
A.
B 5 ER 1.3 S 16 - P 3.2 5 16.900 14.860 2.630 5.185 10 °
m B 5 NR 2.2 D 24 5 24.000 12 15.760 6.5 15 4.70
X B 5 ER 1.3 S 16 -P 3.3 5 16.900 15.000 0.880 5.185 10 °
CD
tSCi
CD B 8 ER 1.3 S 15 - P 8 15.880 15.734 3.583 5.000 1 0°
B 5 NR 1.5 S 25- P 5 25.400 15.600 1.700 5.185 9 ° 30 .
CD
m
3
CD B 5 NR 1.5 D 24 5 24.000 14.85 1.000 5 8 4 3° 4.86
=3
CD
B 5 NL 1.5 D 24 5 24.000 14.85 3.600 5 8 4 3° 4.86
CD
Si