Threading Solutions - Vargus

American UN
1/4P
Internal
60°
Le
D
D2
h
L
1/8P
External
Defined by: ANSI B1.174
Tolerance class: 2B
TM Solid Carbide - Straight Flutes
TMS Straight
External, Standard - Straight Flutes
Pitch
Thread
Ordering Code
tpi
Min. Dia.
D
32
No. 6
S1/4”.240”-E32UNTM... 1/4”
Dimensions Inch
D2 L
.240 2.244
Le
.744
No. of Flutes
3
Teeth
18
h Inch
.019
28
No. 12
S5/16”.310”-E28UNTM...
5/16”
.310
2.480
.786
3, 5 *
22
.022
20
1/4”
S3/8”.370”-E20UNTM...
3/8”
.370
2.835
.900
5
18
.031
18
5/16”
S3/8”.370”-E18UNTM...
3/8”
.370
2.835
.944
5
17
.034
16
3/8”
S1/2”.470”-E16UNTM...
1/2”
.470
3.268
1.125
5
18
.038
12
9/16”
S1/2”.470”-E12UNTM...
1/2”
.470
3.268
1.167
5
14
.051
8
1”
S5/8”.620”-E8UNTM...
5/8”
.620
3.622
1.500
5
12
.077
6
1 3/8”
S5/8”.620”-E6UNTM...
5/8”
.620
3.622
1.500
5
9
.102
* Available with 3 and 5 flutes. Add 3 or 5 to the ordering code (TM3.../TM5...)
Internal, Standard - Straight Flutes
Pitch Thread
Ordering Code
Dimensions Inch No. of Flutes
External
tpi
36
32
28
24
20
18
16
14
13
12
11
10
9
8
7
6
5
4.5
Min. Dia.
D D2 L Le
No. 8
S1/8”.120”-I36UNTM... 1/8” .120 1.654 .250 3
No. 8
S1/8”.120”-I32UNTM... 1/8” .120 1.654 .250 3
5/16”
S1/4”.240”-I32UNTM... 1/4” .240 2.244 .747 3
No. 12
S3/16”.145”-I28UNTM... 3/16” .145 1.654 .321 3
7/16”
S5/16”.310”-I28UNTM... 5/16” .310 2.480 .786 3, 5*
No. 12
S3/16”.160”-I24UNTM... 3/16” .160 2.244 .333 3
1/4”
S3/16”.160”-I20UNTM... 3/16” .160 2.244 .400 3
9/16”
S3/8”.370”-I20UNTM... 3/8” .370 2.835 .900 5
5/16”
S1/4”.200”-I18UNTM... 1/4” .200 2.244 .500 3
9/16”
S3/8”.370”-I18UNTM... 3/8” .370 2.835 .944 5
3/8”
S1/4”.240”-I16UNTM... 1/4” .240 2.244 .562 3
13/16”
S1/2”.470”-I16UNTM... 1/2” .470 3.268 1.125 5
7/16”
S5/16”.310”-I14UNTM... 5/16” .310 2.480 .714 3, 5*
1/2”
S5/16”.310”-I13UNTM... 5/16” .310 2.480 .769 3, 5*
9/16”
S3/8”.370”-I12UNTM... 3/8” .370 2.835 .917 5
1”
S1/2”.470”-I12UNTM... 1/2” .470 3.268 1.167 5
5/8”
S3/8”.370”-I11UNTM... 3/8” .370 2.835 .909 5
3/4”
S1/2”.470”-I10UNTM... 1/2” .470 3.268 1.100 5
7/8”
S5/8”.620”-I9UNTM... 5/8” .620 3.622 1.333 5
1”
S5/8”.620”-I8UNTM... 5/8” .620 3.622 1.500 5
1 1/8”
S5/8”.620”-I7UNTM... 5/8” .620 3.622 1.429 5
1 3/8”
S3/4”.745”-I6UNTM... 3/4” .745 4.095 1.500 5
1 3/4”
S3/4”.745”-I5UNTM... 3/4” .745 4.095 1.600 5
2”
S3/4”.745”-I4.5UNTM... 3/4” .745 4.095 1.555 5
* Available with 3 and 5 flutes. Add 3 or 5 to the ordering code (TM3.../TM5...)
244
Teeth
9
8
18
9
22
8
8
18
9
17
9
18
10
10
11
14
10
11
12
12
10
9
8
7
h Inch
.016
.018
.018
.021
.021
.024
.029
.029
.033
.033
.037
.037
.042
.045
.049
.049
.053
.059
.065
.073
.084
.098
.117
.130