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Unified Thread Ring Gauge

Unified thread ring gauge

Unified thread ring gage
UNC
Nominal Size    Thread/Per Inch
3 48
4 40
5 40
6 32
8 32
10 24
12 24
1/4 20
5/16 18
3/8 16
7/16 14
1/2 13
9/16 12
5/8 11
3/4 10
7/8 9
1 8
1 1/8 7
1 1/4 7
1 3/8 6
1 1/2 6
1 3/4 5
2 4.5
. . . . . .
6. . . . . .
The Accuracy of unified ring
thread gage: 2B, 3B.
3 Unified thread ring gauge . . .
UNF
Nominal Size    Thread/Per Inch
3 56
4 48
5 44
6 40
8 36
10 32
12 28
1/4 28
5/16 24
3/8 24
7/16 20
1/2 20
9/16 18
5/8 18
3/4 16
7/8 14
1 12
1 1/8 12
1 1/4 12
1 3/8 12
1 1/2 12
. . . . . .
6. . . . . .
The Accuracy of unified ring
thread gage: 2B, 3B.
3 Unified thread ring gauge . . .


Unified thread ring gauge conform:

ANSI B1.2-83
UNEF
Nominal Size    Thread/Per Inch
12 32
1/4 32
5/16 32
3/8 32
7/16 28
1/2 28
9/16 24
5/8 24
11/16 24
3/4 20
7/8 20
13/16 20
15/16 20
1 20
1 1/16 18
1 1/8 18
1 3/16 18
1 1/4 18
1 5/16 18
1 3/8 18
1 7/16 18
1 1/2 18
1 9/16 18
1 5/8 18
1 11/16 18
. . . . . .
6". . . . . .
The Accuracy of unified ring
thread gage: 2B, 3B.
12 Unified thread ring gauge . . .
UN
Nominal Size    Thread/Per Inch
5/16 20
5/16 28
3/8 20
3/8 28
7/16 32
1/2 16
9/16 16
9/16 20
9/16 32
5/8 12
5/8 16
5/8 20
5/8 28
11/16 12
11/16 16
11/16 20
11/16 28
11/16 32
3/4 12
3/4 28
3/4 32
13/16 12
13/16 16
13/16 28
13/16 32
7/8 12
7/8 16
7/8 28
7/8 32
15/16 12
15/16 16
15/16 28
Nominal Size    Thread/Per Inch
5/16 32
1 16
1 28
1 1/16 8
1 1/16 12
1 1/16 16
1 1/16 20
1 1/16 28
1 1/8 8
1 1/8 16
1 1/8 20
1 1/8 28
1 3/16 8
1 3/16 12
1 3/16 16
1 3/16 20
1 3/16 28
1 1/4 8
1 1/4 16
1 1/4 20
1 1/4 28
1 5/16 8
1 5/16 12
1 5/16 16
1 5/16 20
1 5/16 28
1 3/8 8
1 3/8 16
1 3/8 20
1 3/8 28
1 7/16 6
1 7/16 8
1 7/16 12
1 7/16 16
1 7/16 20
1 7/16 28
1 1/2 8
1 1/2 16
1 1/2 20
1 1/2 28
1 9/16 6
1 9/16 8
1 9/16 12
1 9/16 16
1 9/16 20
1 5/8 6
1 5/8 8
1 5/8 12
1 5/8 16
1 5/8 20
1 11/16 6
1 11/16 8
1 11/16 12
1 11/16 16
1 11/16 20
1 3/4 6
1 3/4 8
1 3/4 12
1 3/4 16
1 3/4 20
1 13/16 6
1 13/16 8
1 13/16 12
1 13/16 16
1 13/16 20
1 7/8 6
1 7/8 8
1 7/8 12
1 7/8 16
1 7/8 20
1 15/16 6
1 15/16 8
1 15/16 12
1 15/16 16
1 15/16 20
2 6
2 8
2 12
2 16
2 20
. . . . . .
6. . . . . .
The Accuracy of unified ring
thread gage: 2B, 3B.
15/16 Unified thread ring gauge . . .
  Reference hyperlink:   Unified thread plug gauge.