The Southern Adjustable Thread RIng Gage features an adjustment mechanism that maintains the roundness integrity of the gage throughout its use. Aluminum gage bodies anodized green for Go and red for NoGo provide quick positive identification. Inserts are made of oil hardened tool steel. Class and tolerances conform to ASME/ANSI B1.2 or B1.16M. Sizes below 1/4 / M6 are counterbored to hold specified length.

*Steel only available in M 1.6 x 0.35 - 5.0 x .80 and Inch 0-80 - 10-32

METRIC
Nominal Size	Go Length	NoGo Length
M 1.6 x 0.35	3/32	3/32
M 1.8 X 0.35	3/32	3/32
M 2.0 x 0.40	3/32	3/32
M 2.2 x 0.45	5/32	5/32
M 2.5 x 0.45	5/32	5/32
M 3.0 x 0.50	5/32	5/32
M 3.5 x 0.60	5/32	5/32
M 4.0 x 0.70	3/16	3/16
M 4.5 x 0.75	3/16	3/16
M 5.0 x 0.80	3/16	3/16
M 6.0 x 1.00	11/32	11/32
M 7.0 x 1.00	11/32	11/32
M 8.0 x 1.25	11/32	11/32
M 8.0 x 1.00	11/32	11/32
M 10.0 x 1.50	7/16	7/16
M 10.0 x 1.25	7/16	7/16
M 12.0 x 1.75	7/16	7/16
M 12.0 x 1.50	7/16	7/16
M 12.0 x 1.25	7/16	7/16
M 12.0 x 1.00	7/16	7/16
M 14.0 x 2.00	9/16	9/16
M 14.0 x 1.50	9/16	9/16
M 14.0 x 1.00	9/16	9/16
M 15.0 x 1.00	9/16	9/16
M 16.0 x 2.00	9/16	9/16
M 16.0 x 1.50	9/16	9/16
M 17.0 x 1.00	9/16	9/16
M 18.0 x 2.50	3/4	9/16
M 18.0 x 1.50	9/16	9/16
M 20.0 x 2.50	3/4	9/16
M 20.0 x 1.50	9/16	9/16
M 22.0 x 2.50	15/16	11/16
M 22.0 x 1.50	11/16	11/16
M 24.0 X 3.00	15/16	11/16
M 24.0 x 2.00	11/16	11/16
M 27.0 x 3.00	15/16	11/16
M 27.0 x 2.00	11/16	11/16
M 30.0 x 3.50	1 1/8	3/4
M 30.0 x 2.00	3/4	3/4
M 30.0 x 1.50	3/4	3/4
M 33.0 x 3.50	1 1/8	3/4
M 33.0 x 2.00	3/4	3/4
M 35.0 x 1.50	3/4	3/4
M 36.0 x 4.00	1 1/8	3/4
M 36.0 x 3.00	1 1/8	3/4
M 36.0 x 2.00	3/4	3/4
M 39.0 x 4.00	1 1/8	13/16
M 39.0 x 3.00	1 1/8	13/16
M 39.0 x 2.00	13/16	13/16

INCH
Nominal Price	Go Length	NoGo Length
0-80	3/32	3/32
1-64	3/32	3/32
1-72	3/32	3/32
2-56	3/32	3/32
2-64	3/32	3/32
3-48	5/32	5/32
3-56	5/32	5/32
4-40	5/32	5/32
4-48	5/32	5/32
5-40	5/32	5/32
5-44	5/32	5/32
6-32	5/32	5/32
6-40	5/32	5/32
8-32	3/16	3/16
8-36	3/16	3/16
10-24	3/16	3/16
10-32	3/16	3/16
12-24	3/16	3/16
12-28	3/16	3/16
1/4-20	11/32	11/32
1/4-28	11/32	11/32
1/4-32	11/32	11/32
5/16-18	11/32	11/32
5/16-24	11/32	11/32
5/16-32	7/16	7/16
3/8-16	7/16	7/16
3/8-24	7/16	7/16
3/8-32	7/16	7/16
7/16-14	7/16	7/16
7/16-20	7/16	7/16
7/16-28	7/16	7/16
1/2-13	7/16	7/16
1/2-20	7/16	7/16
1/2-28	3/4	7/16
9/16-12	3/4	9/16
9/16-18	9/16	9/16
9/16-24	9/16	9/16
5/8-11	3/4	9/16
5/8-18	9/16	9/16
5/8-24	9/16	9/16
11/16-24	9/16	9/16
3/4-10	3/4	9/16
3/4-16	9/16	9/16
3/4-20	9/16	9/16
13/16-20	9/16	9/16
7/8-9	15/16	11/16
7/8-14	11/16	11/16
7/8-20	11/16	11/16
15/16-20	11/16	11/16
1-8	15/16	11/16
1-12	11/16	11/16
1-14	11/16	11/16
1-20	11/16	11/16
1 1/16-12	11/16	11/16
1 1/16-18	11/16	11/16
1 1/8-7	15/16	11/16
1 1/8-12	11/16	11/16
1 1/8-18	11/16	11/16
1 3/16-12	3/4	3/4
1 3/16-18	3/4	3/4
1 1/4-7	1 1/8	3/4
1 1/4-12	3/4	3/4
1 1/4-18	3/4	3/4
1 5/16-12	3/4	3/4
1 5/16-18	3/4	3/4
1 3/8-6	1 1/8	3/4
1 3/8-12	3/4	3/4
1 3/8-18	3/4	3/4
1 7/16-12	3/4	3/4
1 7/16-18	3/4	3/4
1 1/2-6	1 1/8	3/4
1 1/2-12	3/4	3/4
1 1/2-18	3/4	3/4

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