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Southern Style

Standard Metric Sizes

(Available in standard 6g class)


M 1.6 X 0.35 GO/NOGO

M 1.8 X 0.35 GO/NOGO

M 2.0 X 0.40 GO/NOGO

M 2.2 X 0.45 GO/NOGO

M 2.5 X 0.45 GO/NOGO

M 3.0 X 0.50 GO/NOGO

M 3.5 X 0.60 GO/NOGO

M 4.0 X 0.70 GO/NOGO

M 4.5 X 0.75 GO/NOGO

M 5.0 X 0.80 GO/NOGO

M 6.0 X 1.00 GO/NOGO

M 7.0 X 1.00 GO/NOGO

M 8.0 X 1.25 GO/NOGO

M 8.0 X 1.00 GO/NOGO

M 10.0 X 1.50 GO/NOGO

M 10.0 X 1.25 GO/NOGO

M 12.0 X 1.75 GO/NOGO

M 12.0 X 1.50 GO/NOGO

M 12.0 X 1.25 GO/NOGO

M 12.0 X 1.00 GO/NOGO

M 14.0 X 2.00 GO/NOGO

M 14.0 X 1.50 GO/NOGO

M 14.0 X 1,00 GO/NOGO

M 15.0 X 1.00 GO/NOGO 

M 16.0 X 2.00 GO/NOGO

M 16.0 X 1.50 GO/NOGO

​M 17.0 X 1.00 GO/NOGO

M 18.0 X 2.50 GO/NOGO

M 18.0 X 1.50 GO/NOGO

M 20.0 X 2.50 GO/NOGO

M 20.0 X 1.50 GO/NOGO

M 22.0 X 2.50 GO/NOGO

M 22.0 X 1.50 GO/NOGO

M 24.0 X 3.0 GO/NOGO

M 24.0 X 2.00 GO/NOGO

M 27.0 X 3.00 GO/NOGO

M 27.0 X 2.00 GO/NOGO

M 30.0 X 3.50 GO/NOGO

M 30.0 X 2.00 GO/NOGO

M 30.0 X 1.50 GO/NOGO

M 33.0 X 3.50 GO/NOGO

M 33.0 X 2.00 GO/NOGO

M 35.0 X 1.50 GO/NOGO

M 36.0 X 4.00 GO/NOGO

M 36.0 X 3.00 GO/NOGO

M 36.0 X 2,00 GO/NOGO

M 39.0 X 4.00 GO/NOGO

M 39.0 X 3.00 GO/NOGO

M 39.0 X 2.00 GO/NOGO

 


Southern Style

Standard English Sizes

(Available in 2A and 3A classes)


0-80 UNF GO/NOGO           

1-64 UNC GO/NOGO

1-72 UNF GO/NOGO

2-56 UNC GO/NOGO

2-64 UNF GO/NOGO

3-48 UNC GO/NOGO

3-56 UNF GO/NOGO

4-40 UNC GO/NOGO

4-48 UNF GO/NOGO

5-40 UNC GO/NOGO

5-44 UNF GO/NOGO

6-32 UNC GO/NOGO

6-40 UNF GO/NOGO

8-32 UNC GO/NOGO

8-36 UNF GO/NOGO

10-24 UNC GO/NOGO

10-32 UNF GO/NOGO

12-24 UNC GO/NOGO

12-28 UNF GO/NOGO

1/4-20 UNC GO/NOGO

1/4-28 UNF GO/NOGO 

1/4-32 UNEF GO/NOGO

5/16-18 UNC GO/NOGO

5/16-24 UNF GO/NOGO

5/16-32 UNEF GO/NOGO

3/8-16 UNC GO/NOGO

3/8-24 UNF GO/NOGO

​3/8-32 UNEF GO/NOGO

7/16-14 UNC GO/NOGO

7/16-20 UNF GO/NOGO

7/16-28 UNEF GO/NOGO

1/2-13 UNC GO/NOGO

1/2-20 UNF GO/NOGO

1/2-28 UNEF GO/NOGO

9/16-12 UNC GO/NOGO

9/16-18 UNF GO/NOGO

9/16-24 UNEF GO/NOGO

5/8-11 UNC GO/NOGO

5/8-18 UNF GO/NOGO



5/8-24 UNEF GO/NOGO

11/16-24 UNEF GO/NOGO

3/4-10 UNC GO/NOGO

3/4-16 UNF GO/NOGO

3/4-20 UNEF GO/NOGO

13/16-20 UNEF GO/NOGO

​7/8-9 UNC GO/NOGO

7/8-14 UNF GO/NOGO

7/8-20 UNEF GO/NOGO

15/16-20 UNEF GO/NOGO

1"-8 UNC GO/NOGO

1"-12 UNF GO/NOGO

1"-14 UNS GO/NOGO

1"-20 UNEF GO/NOGO

1" 1/16-12 UN GO/NOGO

1" 1/16-18 UNEF GO/NOGO

1" 1/8-7 UNC GO/NOGO

1" 1/8-12 UNF GO/NOGO

1" 1/8-18 UNEF GO/NOGO

1" 3/16-12 UN GO/NOGO

1" 3/16-18 UNEF GO/NOGO

1" 1/4-7 UNC GO/NOGO

1" 1/4-12 UNF GO/NOGO

1" 1/4-18 UNEF GO/NOGO

1" 5/16-12 UN GO/NOGO

1" 5/16-18 UNEF GO/NOGO

1" 3/8-6 UNC GO/NOGO

1" 3/8-12 UNF GO/NOGO

1" 3/8-18 UNEF GO/NOGO

1" 7/16-12 UN GO/NOGO

1" 7/16-18 UNEF GO/NOGO

1" 1/2-6 UNC GO/NOGO

1" 1/2-12 UNF GO/NOGO

1" 1/2-18 UNEF GO/NOGO

1" 5/8-12 UN GO/NOGO

1" 3/4-12  GO/NOGO

1" 7/8-12 UN GO/NOGO

2"-12 GO/NOGO

2" 1/4-12 GO/NOGO

2" 1/2-12 GO/NOGO

​​

Southern Style

Thread Rings

(available in Steel, Chrome, and Carbide)

The "Southern style" sets round and stays round through all adjustments due to eccentric design and opposing pressures of the adjusting and locking mechanisms.Color coded for easy identification of the Go and Nogo gage.The aluminum body makes large gage rings light weight and easier to use.The GSG "Southern Style" thread ring features the unique "Automatic Helical Adjustment". The Helix Path of the thread along the line of adjustment remains true and in alignment throughout the life of the gage.​

M 16.0 X 2.00 GO/NOGO

M 16.0 X 1.50 GO/NOGO

​M 17.0 X 1.00 GO/NOGO

M 18.0 X 2.50 GO/NOGO

M 18.0 X 1.50 GO/NOGO

M 20.0 X 2.50 GO/NOGO

M 20.0 X 1.50 GO/NOGO

M 22.0 X 2.50 GO/NOGO

M 22.0 X 1.50 GO/NOGO

M 24.0 X 3.0 GO/NOGO

M 24.0 X 2.00 GO/NOGO

M 27.0 X 3.00 GO/NOGO

M 27.0 X 2.00 GO/NOGO

M 30.0 X 3.50 GO/NOGO

M 30.0 X 2.00 GO/NOGO

M 30.0 X 1.50 GO/NOGO

M 33.0 X 3.50 GO/NOGO

M 33.0 X 2.00 GO/NOGO

M 35.0 X 1.50 GO/NOGO

M 36.0 X 4.00 GO/NOGO

M 36.0 X 3.00 GO/NOGO

M 36.0 X 2,00 GO/NOGO

M 39.0 X 4.00 GO/NOGO

M 39.0 X 3.00 GO/NOGO

M 39.0 X 2.00 GO/NOGO

 


AGD Style

Standard Metric Sizes

(Available in standard 6g class)


M 1.6 X 0.35 GO/NOGO

M 1.8 X 0.35 GO/NOGO

M 2.0 X 0.40 GO/NOGO

M 2.2 X 0.45 GO/NOGO

M 2.5 X 0.45 GO/NOGO

M 3.0 X 0.50 GO/NOGO

M 3.5 X 0.60 GO/NOGO

M 4.0 X 0.70 GO/NOGO

M 4.5 X 0.75 GO/NOGO

M 5.0 X 0.80 GO/NOGO

M 6.0 X 1.00 GO/NOGO

M 7.0 X 1.00 GO/NOGO

M 8.0 X 1.25 GO/NOGO

M 8.0 X 1.00 GO/NOGO

M 10.0 X 1.00 GO/NOGO

M 10.0 X 1.50 GO/NOGO

M 10.0 X 1.25 GO/NOGO

M 12.0 X 1.75 GO/NOGO

M 12.0 X 1.50 GO/NOGO

M 12.0 X 1.25 GO/NOGO

M 12.0 X 1.00 GO/NOGO

M 14.0 X 2.00 GO/NOGO

M 14.0 X 1.50 GO/NOGO

M 14.0 X 1,00 GO/NOGO

M 15.0 X 1.00 GO/NOGO 

5/8-18 UNF GO/NOGO

5/8-24 UNEF GO/NOGO

11/16-24 UNEF GO/NOGO

3/4-10 UNC GO/NOGO

3/4-16 UNF GO/NOGO

3/4-20 UNEF GO/NOGO

13/16-20 UNEF GO/NOGO

​7/8-9 UNC GO/NOGO

7/8-14 UNF GO/NOGO

7/8-20 UNEF GO/NOGO

15/16-20 UNEF GO/NOGO

1"-8 UNC GO/NOGO

1"-12 UNF GO/NOGO

1"-14 UNS GO/NOGO

1"-20 UNEF GO/NOGO

1" 1/16-12 UN GO/NOGO

1" 1/16-18 UNEF GO/NOGO

1" 1/8-7 UNC GO/NOGO

1" 1/8-12 UNF GO/NOGO

1" 1/8-18 UNEF GO/NOGO

1" 3/16-12 UN GO/NOGO

1" 3/16-18 UNEF GO/NOGO

1" 1/4-7 UNC GO/NOGO

1" 1/4-12 UNF GO/NOGO

1" 1/4-18 UNEF GO/NOGO

1" 5/16-12 UN GO/NOGO

1" 5/16-18 UNEF GO/NOGO

1" 3/8-6 UNC GO/NOGO

1" 3/8-12 UNF GO/NOGO

1" 3/8-18 UNEF GO/NOGO

1" 7/16-18 UNEF GO/NOGO

1" 1/2-6 UNC GO/NOGO

1" 1/2-12 UNF GO/NOGO

1" 1/2-18 UNEF GO/NOGO

1" 3/4-12  GO/NOGO

2"-12 GO/NOGO

2" 1/4-12 GO/NOGO

2" 1/2-12 GO/NOGO













AGD Style

Standard English Sizes

(Available in 2A and 3A classes)


0-80 UNF GO/NOGO           

1-64 UNC GO/NOGO

1-72 UNF GO/NOGO

2-56 UNC GO/NOGO

2-64 UNF GO/NOGO

3-48 UNC GO/NOGO

3-56 UNF GO/NOGO

4-40 UNC GO/NOGO

4-48 UNF GO/NOGO

5-40 UNC GO/NOGO

5-44 UNF GO/NOGO

6-32 UNC GO/NOGO

6-40 UNF GO/NOGO

8-32 UNC GO/NOGO

8-36 UNF GO/NOGO

10-24 UNC GO/NOGO

10-32 UNF GO/NOGO

12-24 UNC GO/NOGO

12-28 UNF GO/NOGO

12-32 UNEF GO/NOGO

1/4-20 UNC GO/NOGO

1/4-28 UNF GO/NOGO 

1/4-32 UNEF GO/NOGO

5/16-18 UNC GO/NOGO

5/16-24 UNF GO/NOGO

5/16-32 UNEF GO/NOGO

3/8-16 UNC GO/NOGO

3/8-24 UNF GO/NOGO

​3/8-32 UNEF GO/NOGO

7/16-14 UNC GO/NOGO

7/16-20 UNF GO/NOGO

7/16-28 UNEF GO/NOGO

1/2-13 UNC GO/NOGO

1/2-20 UNF GO/NOGO

1/2-28 UNEF GO/NOGO

9/16-12 UNC GO/NOGO

9/16-18 UNF GO/NOGO

9/16-24 UNEF GO/NOGO

5/8-11 UNC GO/NOGO




















Glastonbury Southern Gage

Thread Rings (available in Steel, Chrome, and Carbide)

AGD Style:

A Thread ring GO gage checks the maximum minor diameter and the maximum pitch diameter size in a part, the NOGO checks for the part not to exceed the minimum pitch diameter size on a part. All GSG Thread Ring Gages are manufactured to ASME/ANSI B1.2 or B1.16M. Each thread ring gage is made of oil hardened Tools Steel.