Turning Milling - Vargus

Tooling recommendation
for a given Internal thread specification
TT Gen Software
and updated versions
can be downloaded from
www.vargususa.com
American UN
Pitch tpi Thread Insert Size Ordering Code
Insert Holder Anvil
56 10 - 1/4 Micro 4.0 Special SMC..-4.0 -
48 10 - 5/16 Micro 4.0 Special SMC..-4.0 -
40 10 - 3/8 Micro 4.0 4.0SIR40UN SMC..-4.0 -
36 12 - 3/8 Micro 4.0 4.0SIR36UN SMC..-4.0 -
12 - 1/4 Micro 4.0 4.0SIR32UN SMC..-4.0 -
5/16 - 3/8 Micro 6.0 6.0SIR32UN SMC..-6.0 -
7/16 - 1/2 IC 6.0 6.0IR32UN NVR...-6.0 -
32
9/16 - 11/16 IC 1/4” 2IR32UN NVR0375-2 -
3/4 - 15/16 IC 3/8”” 3IR32UN NVR050-3 -
7/8 - 15/16 IC 3/8” 3IR32UN NVR0625-3 -
1 IC 3/8” 3IR32UN AVR075-3 YI3 - 1N
12 - 1/4 Micro 4.0 4.0SIR28UN SMC..-4.0 -
5/16 - 3/8 Micro 6.0 6.0SIR28UN SMC..-6.0 -
7/16 - 1/2 IC 6.0 6.0IR28UN NVR...-6.0 -
28
5/8 - 11/16 IC 1/4” 2IR28UN NVR0375-2 -
3/4 - 13/16 IC 3/8” 3IR28UN NVR050-3 -
7/8 - 15/16 IC 3/8” 3IR28UN NVR0625-3 -
1 - 1 1/8 IC 3/8” 3IR28UN AVR075-3 YI3 - 1N
1 3/16 IC 3/8” 3IR28UN AVR100-3 YI3 - 1N
1/4 Micro 4.0 4.0SIR27UN SMC..-4.0 -
5/16 - 3/8 Micro 6.0 6.0SIR27UN SMC..-6.0 -
7/16 - 1/2 IC 6.0 Special NVR...-6.0 -
27
9/16 - 5/8 IC 1/4” 2IR27UN NVR0375-2 -
3/4 IC 3/8” 3IR27UN NVR050-3 -
7/8 IC 3/8” 3IR27UN NVR0625-3 -
1 IC 3/8” 3IR27UN AVR075-3 YI3 - 1N
12 - 1/4 Micro 4.0 4.0SIR24UN SMC..-4.0 -
5/16 - 3/8 Micro 6.0 6.0SIR24UN SMC..-6.0 -
7/16 IC 5.0 L 5LIR24UN NVR0375-5L -
1/2 IC 6.0 6.0IR24UN NVR...-6.0 -
24
9/16 - 11/16 IC 1/4” 2IR24UN NVR0375-2 -
3/4 IC 3/8” 3IR24UN NVR050-3 -
7/8 IC 3/8” 3IR24UN NVR0625-3 -
1 - 1 1/8 IC 3/8” 3IR24UN AVR075-3 YI3 - 1N
1 1/4 - 1 1/2 IC 3/8” 3IR24UN AVR100-3 YI3 - 1N
1 5/8 - 24 IC 3/8” 3IR24UN AVR125-3 YI3 - 1N
5/16 - 3/8 Micro 6.0 6.0SIR20UN SMC..-6.0 -
7/16 IC 5.0 L 5LIR20UN NVR0375-5L -
1/2 - 9/16 IC 6.0 6.0IR20UN NVR...-6.0 -
5/8 - 11/16 IC 1/4” 2IR20UN NVR0375-2 -
20
3/4 - 13/16 IC 3/8” 3IR20UN NVR050-3 -
7/8 - 15/16 IC 3/8” 3IR20UN NVR0625-3 -
1 - 1 3/16 IC 3/8” 3IR20UN AVR075-3 YI3 - 1N
1 1/4 - 1 1/2 IC 3/8” 3IR20UN AVR100-3 YI3 - 1N
1 9/16 - 1 13/16 IC 3/8” 3IR20UN AVR125-3 YI3 - 1N
1 7/8 - 2 1/8 IC 3/8” 3IR20UN AVR150-3 YI3 - 1N
8