Unified Thread Ring Gauge

  • Unified thread ring gauge conform:
  • - ANSI B1.2-83
Unified thread ring gage
UNC
Nominal Size Thread/Per Inch
348
440
540
632
832
1024
1224
1/420
5/1618
3/816
7/1614
1/213
9/1612
5/811
3/410
7/89
18
1 1/87
1 1/47
1 3/86
1 1/26
1 3/45
24.5
. . . . . .. . . . . .
6. . . . . .
The Accuracy of unified ring thread gage: 2B, 3B. | 3 Unified thread ring gauge . . .
UNEF
Nominal Size Thread/Per Inch
1232
1/432
5/1632
3/832
7/1628
1/228
9/1624
5/824
11/1624
3/420
7/820
13/1620
15/1620
120
1 1/1618
1 1/818
1 3/1618
1 1/418
1 5/1618
1 3/818
1 7/1618
1 1/218
1 9/1618
1 5/818
1 11/1618
. . . . . .. . . . . .
6". . . . . .
The Accuracy of unified ring thread gage: 2B, 3B. 12 Unified thread ring gauge . . .
UNF
Nominal Size Thread/Per Inch
356
448
544
640
836
1032
1228
1/428
5/1624
3/824
7/1620
1/220
9/1618
5/818
3/416
7/814
112
1 1/812
1 1/412
1 3/812
1 1/212
. . . . . .. . . . . .
6. . . . . .
The Accuracy of unified ring thread gage: 2B, 3B. | 3 Unified thread ring gauge . . .
UN
Nominal Size Thread/Per Inch
5/1620
5/1628
3/820
3/828
7/1632
1/216
9/1616
9/1620
9/1632
5/812
5/816
5/820
5/828
11/1612
11/1616
11/1620
11/1628
11/1632
3/412
3/428
3/432
13/1612
13/1616
13/1628
13/1632
7/812
7/816
7/828
7/832
15/1612
15/1616
15/1628
Thread ring gage
Nominal Size Thread/Per Inch
5/1632
116
128
1 1/168
1 1/1612
1 1/1616
1 1/1620
1 1/1628
1 1/88
1 1/816
1 1/820
1 1/828
1 3/168
1 3/1612
1 3/1616
1 3/1620
1 3/1628
1 1/48
1 1/416
1 1/420
1 1/428
1 5/168
1 5/1612
1 5/1616
1 5/1620
1 5/1628
1 3/88
1 3/816
1 3/820
1 3/828
1 7/166
1 7/168
1 7/1612
1 7/1616
1 7/1620
1 7/1628
1 1/28
1 1/216
1 1/220
1 1/228
1 9/166
1 9/168
1 9/1612
1 9/1616
1 9/1620
1 5/86
1 5/88
1 5/812
1 5/816
1 5/820
1 11/166
1 11/168
1 11/1612
1 11/1616
1 11/1620
1 3/46
1 3/48
1 3/412
1 3/416
1 3/420
1 13/166
1 13/168
1 13/1612
1 13/1616
1 13/1620
1 7/86
1 7/88
1 7/812
1 7/816
1 7/820
1 15/166
1 15/168
1 15/1612
1 15/1616
1 15/1620
26
28
212
216
220
. . . . . .. . . . . .
6. . . . . .
The Accuracy of unified ring thread gage: 2B, 3B. | 15/16 Unified thread ring gauge . . .