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API Buttress Casing<br />
External<br />
10°<br />
90°<br />
h<br />
3°<br />
Internal<br />
a<br />
External a = arctg (IPF/24)<br />
Defined by: STD.5B.1979<br />
Tolerance class: Standard API<br />
Standard<br />
T Style<br />
L<br />
X<br />
Y<br />
IC<br />
Standard<br />
X<br />
Y<br />
L<br />
IC<br />
T Style<br />
Insert Size Pitch Taper Ordering Code Size<br />
Dimensions mm Anvil<br />
IC L mm tpi IPF<br />
RH<br />
h min X Y RH Toolholder<br />
1/2” 22<br />
5 0.75 4ER5BUT75... 4 1/2”-13 3/8” 1.55 3.1 1.9<br />
YE4<br />
5 1 4ER5BUT1... 16”-20”<br />
1.55 3.1 1.9<br />
Insert Size Pitch Taper Teeth Ordering Code<br />
Dimensions mm Anvil<br />
AL..-4<br />
IC L mm tpi IPF<br />
RH<br />
h min X Y RH Toolholder<br />
1/2”T<br />
22 5 0.75 3 4ER5BUT753T... 1.55 0.1 16.1<br />
Y4T AL..-4T<br />
<strong>Thread</strong>ing<br />
Inserts<br />
<strong>Thread</strong>ing<br />
Holders<br />
<strong>Thread</strong>ing<br />
Technical Data<br />
Grooving<br />
Inserts<br />
Grooving<br />
Holders<br />
API Buttress Casing<br />
Internal<br />
10°<br />
90°<br />
h<br />
3°<br />
Internal<br />
a<br />
External<br />
a = arctg (IPF/24)<br />
IC<br />
Y<br />
X<br />
L<br />
L<br />
IC<br />
Y<br />
X<br />
Grooving<br />
Technical Data<br />
Defined by: STD.5B.1979<br />
Tolerance class: Standard API<br />
Standard<br />
T Style<br />
Boring<br />
Inserts<br />
Standard<br />
Insert Size Pitch Taper Ordering Code Size<br />
Dimensions mm Anvil<br />
IC<br />
1/2”<br />
L mm<br />
22<br />
tpi<br />
5<br />
5<br />
IPF<br />
0.75<br />
1<br />
RH<br />
4IR5BUT75...<br />
4IR5BUT1...<br />
4 1/2”-13 3/8”<br />
16”-20”<br />
h min<br />
1.55<br />
1.55<br />
X<br />
2.8<br />
2.8<br />
Y<br />
1.9<br />
1.9<br />
RH<br />
YI4<br />
Toolholder<br />
AVR..-4<br />
Boring<br />
Holders<br />
T Style<br />
Insert Size Pitch Taper Teeth Ordering Code<br />
Dimensions mm Anvil<br />
IC L mm tpi IPF<br />
RH<br />
h min X Y RH Toolholder<br />
1/2”T 22 5 0.75 3 4IR5BUT753T... 1.55 0.1 16.1<br />
Y4T AVR..-4T<br />
85<br />
Boring<br />
Technical Data