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Y<br />
Y<br />
API<br />
<strong>Thread</strong>ing<br />
Inserts<br />
X<br />
X<br />
30° 30 °<br />
Internal<br />
h<br />
L<br />
L<br />
<strong>Thread</strong>ing<br />
Holders<br />
90°<br />
a<br />
h<br />
External<br />
a = arctg (IPF/24)<br />
Defined by: API SPEC. 7:1990<br />
Tolerance class: Standard API<br />
External<br />
IC<br />
External - Standard<br />
IC<br />
Internal - Standard<br />
<strong>Thread</strong>ing<br />
Technical Data<br />
Standard<br />
Insert Size Pitch <strong>Thread</strong> Taper Ordering Code<br />
Size<br />
Dimensions mm Anvil<br />
IC L mm tpi<br />
IPF RH<br />
h min X Y RH Toolholder<br />
1/2"<br />
5/8”<br />
22<br />
27<br />
4<br />
4<br />
4<br />
4<br />
5<br />
6<br />
4<br />
4<br />
4<br />
4<br />
5<br />
V-0.38R<br />
V-0.38R<br />
V-0.050<br />
V-0.050<br />
V-0.040<br />
V-0.055<br />
V-0.038R<br />
V-0.038R<br />
V-0.050<br />
V-0.050<br />
V-0.040<br />
2<br />
3<br />
2<br />
3<br />
3<br />
1.5<br />
2<br />
3<br />
2<br />
3<br />
3<br />
4ER4API382...<br />
4ER4API383...<br />
4ER4API502...<br />
4ER4API503...<br />
4ER5API403...<br />
4ER6API551...<br />
5ER4API382...<br />
5ER4API383...<br />
5ER4API502...<br />
5ER4API503...<br />
5ER5API403...<br />
NC23-NC50<br />
NC56-NC77<br />
6 5/8” REG<br />
5 1/2”, 7 5/8”, 8 5/8” REG<br />
2 3/8”-4 1/2” REG<br />
NC10-NC16<br />
NC23-NC50<br />
NC56-NC77<br />
6 5/8” REG<br />
5 1/2”, 7 5/8”, 8 5/8” REG<br />
2 3/8”-4 1/2” REG<br />
3.09<br />
3.08<br />
3.75<br />
3.74<br />
2.99<br />
1.41<br />
3.09<br />
3.08<br />
3.75<br />
3.74<br />
2.99<br />
2.1<br />
2.1<br />
2.0<br />
2.0<br />
1.8<br />
2.6<br />
2.1<br />
2.1<br />
2.1<br />
2.1<br />
1.9<br />
2.8<br />
2.8<br />
2.9<br />
2.9<br />
2.6<br />
2.0<br />
2.8<br />
2.8<br />
3.1<br />
3.1<br />
2.7<br />
YE4<br />
YE50IL<br />
AL..-4 (LH)<br />
AL..-5 OIL (LH)<br />
Grooving<br />
Inserts<br />
Grooving<br />
Holders<br />
Internal<br />
Standard<br />
Insert Size Pitch <strong>Thread</strong> Taper Ordering Code<br />
Size<br />
Dimensions mm Anvil<br />
IC L mm tpi<br />
IPF RH<br />
h min X Y RH Toolholder<br />
1/2"<br />
5/8”<br />
22<br />
27<br />
4<br />
4<br />
4<br />
4<br />
5<br />
6<br />
4<br />
4<br />
4<br />
4<br />
5<br />
V-0.38R 2<br />
V-0.38R 3<br />
V-0.050 2<br />
V-0.050 3<br />
V-0.040 3<br />
V-0.055 1.5<br />
V-0.038R 2<br />
V-0.038R 3<br />
V-0.050 2<br />
V-0.050 3<br />
V-0.040 3<br />
4IR4API382... NC23-NC50<br />
3.09 2.1 2.8<br />
4IR4API383... NC56-NC77<br />
3.08 2.1 2.8<br />
4IR4API502... 6 5/8” REG<br />
3.75 2.1 3.1<br />
YI4 AVR..-4 (LH)<br />
4IR4API503... 5 1/2”, 7 5/8”, 8 5/8” REG 3.74 2.0 2.9<br />
4IR5API403... 2 3/8”-4 1/2” REG<br />
2.99 1.8 2.6<br />
4IR6API551... NC10-NC16<br />
1.41 2.6 2.0<br />
5IR4API382... NC23-NC50<br />
3.09 2.1 2.8<br />
5IR4API383... NC56-NC77<br />
3.08 2.1 2.8<br />
5IR4API502... 6 5/8” REG<br />
3.75 2.1 3.1 YI50IL AVR..-5 OIL (LH)<br />
5IR4API503... 5 1/2”, 7 5/8”, 8 5/8” REG 3.74 2.1 3.1<br />
5IR5API403... 2 3/8”-4 1/2” REG<br />
2.99 1.9 2.7<br />
Grooving<br />
Technical Data<br />
Boring<br />
Inserts<br />
Boring<br />
Holders<br />
84<br />
Boring<br />
Technical Data
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