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Y<br />
Y<br />
X<br />
X<br />
L<br />
X<br />
29°<br />
Internal<br />
h<br />
External<br />
IC<br />
L<br />
IC<br />
L<br />
T<br />
IC<br />
Y<br />
Boring<br />
Holders<br />
<strong>Thread</strong>ing<br />
Inserts<br />
Stub ACME (con’t)<br />
Internal<br />
<strong>Thread</strong>ing<br />
Holders<br />
Defined by: ANSI B1.8:1988<br />
Tolerance class: 2G<br />
Standard<br />
Standard<br />
U Style<br />
Insert Size Pitch Ordering Code<br />
Dimensions mm Anvil<br />
V Style<br />
IC L mm tpi<br />
RH<br />
LH<br />
h min X Y RH LH Toolholder<br />
1/4" 11 16<br />
16<br />
14<br />
2IR16STACME...<br />
3IR16STACME...<br />
3IR14STACME...<br />
2IL16STACME...<br />
3IL16STACME...<br />
3IL14STACME...<br />
0.60<br />
0.60<br />
0.67<br />
1.0<br />
1.0<br />
1.1<br />
1.0<br />
1.0<br />
1.1<br />
- - NVR..-2 (LH)<br />
3/8” 16<br />
12 3IR12STACME... 3IL12STACME... 0.76 1.1 1.2<br />
10 3IR10STACME... 3IL10STACME... 1.02 1.2 1.3<br />
YI3 YE3 AVR..-3 (LH)<br />
8<br />
6<br />
3IR8STACME...<br />
3IR6STACME...<br />
3IL8STACME...<br />
3IL6STACME...<br />
1.21<br />
1.52<br />
1.4<br />
1.7<br />
1.5<br />
1.8<br />
1/2”<br />
5/8”<br />
22<br />
27<br />
6<br />
4<br />
4IR6STACME...<br />
5IR4STACME...<br />
4IL6STACME...<br />
5IL4STACME...<br />
1.52<br />
2.16<br />
1.7<br />
2.3<br />
1.8<br />
2.4<br />
5<br />
3<br />
4IR5STACME...<br />
5IR3STACME...<br />
4IL5STACME...<br />
5IL3STACME...<br />
1.78<br />
2.79<br />
2.1<br />
2.9<br />
2.3<br />
2.9<br />
YI4<br />
YI5<br />
YE4<br />
YE5<br />
AVR..-4 (LH)<br />
AVR..-5 (LH)<br />
<strong>Thread</strong>ing<br />
Technical Data<br />
Grooving<br />
Inserts<br />
Grooving<br />
Holders<br />
U Style<br />
1/2”U<br />
Insert Size Pitch Ordering Code<br />
Dimensions mm Anvil<br />
IC L mm tpi<br />
RH+LH<br />
h min X Y RH LH Toolholder<br />
22<br />
4<br />
3<br />
4UI4STACME...<br />
4UI3STACME...<br />
2.16<br />
2.79<br />
2.5<br />
3.3<br />
11.0<br />
11.0<br />
YI4U<br />
YE4U<br />
AVR..-4U (LH)<br />
Grooving<br />
Technical Data<br />
V Style<br />
Insert Size Pitch Ordering Code<br />
Dimensions mm<br />
IC L mm tpi<br />
RH<br />
LH<br />
h min X Y T Toolholder<br />
5/8”V 27<br />
4<br />
3<br />
2<br />
5VIR4STACME...<br />
5VIR3STACME...<br />
5VIR2STACME...<br />
5VIL4STACME...<br />
5VIL3STACME...<br />
5VIL2STACME...<br />
2.16<br />
2.79<br />
4.06<br />
1.0<br />
1.0<br />
1.0<br />
3.3<br />
3.3<br />
4.3<br />
6<br />
6<br />
8<br />
NVR..-5V (LH)<br />
Boring<br />
Inserts<br />
72<br />
Boring<br />
Technical Data