Gages

Thread Ring Gages

Thread ring gages measure threads on an outside diameter (OD) to ensure the threads are within its designed tolerance limits
Thread ring gage is a one piece construction with a single setting adjustment feature
Thread ring gages are root relieved providing longer life and superior gaging accuracy
GO or NOGO members
Class 2A or 3A for inch
X tolerance, class 6g for metric
ASME/ANSI B1.2 and ANSI B1.16M compliant
Precision hand lapped and polished to ensure superior accuracy
Manufactured to the highest end of the ANSI specifications to ensure maximum wearability
Final inspection of gages is completed in an environmentally controlled ISO 17025 laboratory
Available in steel or chrome
Free NIST certificate of accuracy

How to Properly Adjust Thread Ring Gages

Standard Pitch Diameter Chart - Inch

Standard Pitch Diameter Chart - Metric

Please select a measure:

Inch
Metric

Please select a material:

Chrome
Steel

SIZE	MEMBER	ITEM #	MATERIAL	PRICE	SALE PRICE
0-80	GO/NOGO	STRC-01	Chrome	Call	call
0-80	SET	TRC-01	Chrome	Call	call
0-80	GO/NOGO	STR-01	Steel	Regular price $207.00 $182.00 Sale	$182.00
0-80	SET	TRS-01	Steel	Regular price $414.00 $364.00 Sale	$364.00
1-64	GO/NOGO	STRC-02	Chrome	Call	call
1-64	SET	TRC-02	Chrome	Call	call
1-64	GO/NOGO	STR-02	Steel	Regular price $184.00 $164.00 Sale	$164.00
1-64	SET	TRS-02	Steel	Regular price $368.00 $328.00 Sale	$328.00
1-72	GO/NOGO	STRC-03	Chrome	Call	call
1-72	SET	TRC-03	Chrome	Call	call
1-72	GO/NOGO	STR-03	Steel	Regular price $184.00 $164.00 Sale	$164.00
1-72	SET	TRS-03	Steel	Regular price $368.00 $328.00 Sale	$328.00
2-56	GO/NOGO	STRC-04	Chrome	Call	call
2-56	SET	TRC-04	Chrome	Call	call
2-56	GO/NOGO	STR-04	Steel	Regular price $173.00 $153.00 Sale	$153.00
2-56	SET	TRS-04	Steel	Regular price $346.00 $306.00 Sale	$306.00
2-64	GO/NOGO	STR-05	Steel	Regular price $173.00 $153.00 Sale	$153.00
2-64	SET	TRS-05	Steel	Regular price $346.00 $306.00 Sale	$306.00
3-48	GO/NOGO	STRC-06	Chrome	Call	call
3-48	SET	TRC-06	Chrome	Call	call
3-48	GO/NOGO	STR-06	Steel	Regular price $173.00 $153.00 Sale	$153.00
3-48	SET	TRS-06	Steel	Regular price $346.00 $306.00 Sale	$306.00
3-56	GO/NOGO	STRC-07	Chrome	Call	call
3-56	SET	TRC-07	Chrome	Call	call
3-56	GO/NOGO	STR-07	Steel	Regular price $173.00 $153.00 Sale	$153.00
3-56	SET	TRS-07	Steel	Regular price $346.00 $306.00 Sale	$306.00
4-40	GO/NOGO	STRC-08	Chrome	Call	call
4-40	SET	TRC-08	Chrome	Call	call
4-40	GO/NOGO	STR-08	Steel	Regular price $162.00 $142.00 Sale	$142.00
4-40	SET	TRS-08	Steel	Regular price $324.00 $284.00 Sale	$284.00
4-48	GO/NOGO	STRC-09	Chrome	Call	call
4-48	SET	TRC-09	Chrome	Call	call
4-48	GO/NOGO	STR-09	Steel	Regular price $162.00 $142.00 Sale	$142.00
4-48	SET	TRS-09	Steel	Regular price $324.00 $284.00 Sale	$284.00
5-40	GO/NOGO	STRC-10	Chrome	Call	call
5-40	SET	TRC-10	Chrome	Call	call
5-40	GO/NOGO	STR-10	Steel	Regular price $143.00 $123.00 Sale	$123.00
5-40	SET	TRS-10	Steel	Regular price $286.00 $246.00 Sale	$246.00
5-44	GO/NOGO	STRC-11	Chrome	Call	call
5-44	SET	TRC-11	Chrome	Call	call
5-44	GO/NOGO	STR-11	Steel	Regular price $143.00 $123.00 Sale	$123.00
5-44	SET	TRS-11	Steel	Regular price $286.00 $246.00 Sale	$246.00
6-32	GO/NOGO	STRC-12	Chrome	Call	call
6-32	SET	TRC-12	Chrome	Call	call
6-32	GO/NOGO	STR-12	Steel	Regular price $143.00 $123.00 Sale	$123.00
6-32	SET	TRS-12	Steel	Regular price $286.00 $246.00 Sale	$246.00
6-40	GO/NOGO	STRC-13	Chrome	Call	call
6-40	SET	TRC-13	Chrome	Call	call
6-40	GO/NOGO	STR-13	Steel	Regular price $143.00 $123.00 Sale	$123.00
6-40	SET	TRS-13	Steel	Regular price $286.00 $246.00 Sale	$246.00
8-32	GO/NOGO	STRC-14	Chrome	Call	call
8-32	SET	TRC-14	Chrome	Call	call
8-32	GO/NOGO	STR-14	Steel	Regular price $139.00 $119.00 Sale	$119.00
8-32	SET	TRS-14	Steel	Regular price $278.00 $238.00 Sale	$238.00
8-36	GO/NOGO	STRC-15	Chrome	Call	call
8-36	SET	TRC-15	Chrome	Call	call
8-36	GO/NOGO	STR-15	Steel	Regular price $139.00 $119.00 Sale	$119.00
8-36	SET	TRS-15	Steel	Regular price $278.00 $238.00 Sale	$238.00
10-24	GO/NOGO	STRC-16	Chrome	Call	call
10-24	SET	TRC-16	Chrome	Call	call
10-24	GO/NOGO	STR-16	Steel	Regular price $139.00 $119.00 Sale	$119.00
10-24	SET	TRS-16	Steel	Regular price $278.00 $238.00 Sale	$238.00
10-32	GO/NOGO	STRC-17	Chrome	Call	call
10-32	SET	TRC-17	Chrome	Call	call
10-32	GO/NOGO	STR-17	Steel	Regular price $139.00 $119.00 Sale	$119.00
10-32	SET	TRS-17	Steel	Regular price $278.00 $238.00 Sale	$238.00
12-24	GO/NOGO	STRC-18	Chrome	Call	call
12-24	SET	TRC-18	Chrome	Call	call
12-24	GO/NOGO	STR-18	Steel	Regular price $139.00 $119.00 Sale	$119.00
12-24	SET	TRS-18	Steel	Regular price $278.00 $238.00 Sale	$238.00
12-28	GO/NOGO	STRC-19	Chrome	Call	call
12-28	SET	TRC-19	Chrome	Call	call
12-28	GO/NOGO	STR-19	Steel	Regular price $139.00 $119.00 Sale	$119.00
12-28	SET	TRS-19	Steel	Regular price $278.00 $238.00 Sale	$238.00
12-32	GO/NOGO	STRC-20	Chrome	Call	call
12-32	SET	TRC-20	Chrome	Call	call
12-32	GO/NOGO	STR-20	Steel	Regular price $170.00 $150.00 Sale	$150.00
12-32	SET	TRS-20	Steel	Regular price $340.00 $300.00 Sale	$300.00
1/4-20	GO/NOGO	STRC-21	Chrome	Call	call
1/4-20	SET	TRC-21	Chrome	Call	call
1/4-20	GO/NOGO	STR-21	Steel	Regular price $133.00 $113.00 Sale	$113.00
1/4-20	SET	TRS-21	Steel	Regular price $266.00 $226.00 Sale	$226.00
1/4-28	GO/NOGO	STRC-22	Chrome	Call	call
1/4-28	SET	TRC-22	Chrome	Call	call
1/4-28	GO/NOGO	STR-22	Steel	Regular price $133.00 $113.00 Sale	$113.00
1/4-28	SET	TRS-22	Steel	Regular price $266.00 $226.00 Sale	$226.00
1/4-32	GO/NOGO	STRC-23	Chrome	Call	call
1/4-32	SET	TRC-23	Chrome	Call	call
1/4-32	GO/NOGO	STR-23	Steel	Regular price $163.00 $143.00 Sale	$143.00
1/4-32	SET	TRS-23	Steel	Regular price $326.00 $286.00 Sale	$286.00
5/16-18	GO/NOGO	STRC-24	Chrome	Call	call
5/16-18	SET	TRC-24	Chrome	Call	call
5/16-18	GO/NOGO	STR-24	Steel	Regular price $130.00 $110.00 Sale	$110.00
5/16-18	SET	TRS-24	Steel	Regular price $260.00 $220.00 Sale	$220.00
5/16-24	GO/NOGO	STRC-25	Chrome	Call	call
5/16-24	SET	TRC-25	Chrome	Call	call
5/16-24	GO/NOGO	STR-25	Steel	Regular price $130.00 $110.00 Sale	$110.00
5/16-24	SET	TRS-25	Steel	Regular price $260.00 $220.00 Sale	$220.00
5/16-32	GO/NOGO	STRC-26	Chrome	Call	call
5/16-32	SET	TRC-26	Chrome	Call	call
5/16-32	GO/NOGO	STR-26	Steel	Regular price $163.00 $143.00 Sale	$143.00
5/16-32	SET	TRS-26	Steel	Regular price $326.00 $286.00 Sale	$286.00
3/8-16	GO/NOGO	STRC-27	Chrome	Call	call
3/8-16	SET	TRC-27	Chrome	Call	call
3/8-16	GO/NOGO	STR-27	Steel	Regular price $143.00 $123.00 Sale	$123.00
3/8-16	SET	TRS-27	Steel	Regular price $286.00 $246.00 Sale	$246.00
3/8-24	GO/NOGO	STRC-28	Chrome	Call	call
3/8-24	SET	TRC-28	Chrome	Call	call
3/8-24	GO/NOGO	STR-28	Steel	Regular price $143.00 $123.00 Sale	$123.00
3/8-24	SET	TRS-28	Steel	Regular price $286.00 $246.00 Sale	$246.00
3/8-32	GO/NOGO	STRC-29	Chrome	Call	call
3/8-32	SET	TRC-29	Chrome	Call	call
3/8-32	GO/NOGO	STR-29	Steel	Regular price $170.00 $150.00 Sale	$150.00
3/8-32	SET	TRS-29	Steel	Regular price $340.00 $300.00 Sale	$300.00
7/16-14	GO/NOGO	STRC-30	Chrome	Call	call
7/16-14	SET	TRC-30	Chrome	Call	call
7/16-14	GO/NOGO	STR-30	Steel	Regular price $138.00 $118.00 Sale	$118.00
7/16-14	SET	TRS-30	Steel	Regular price $276.00 $236.00 Sale	$236.00
7/16-20	GO/NOGO	STRC-31	Chrome	Call	call
7/16-20	SET	TRC-31	Chrome	Call	call
7/16-20	GO/NOGO	STR-31	Steel	Regular price $138.00 $118.00 Sale	$118.00
7/16-20	SET	TRS-31	Steel	Regular price $276.00 $236.00 Sale	$236.00
7/16-28	GO/NOGO	STRC-32	Chrome	Call	call
7/16-28	SET	TRC-32	Chrome	Call	call
7/16-28	GO/NOGO	STR-32	Steel	Regular price $165.00 $145.00 Sale	$145.00
7/16-28	SET	TRS-32	Steel	Regular price $330.00 $290.00 Sale	$290.00
1/2-13	GO/NOGO	STRC-33	Chrome	Call	call
1/2-13	SET	TRC-33	Chrome	Call	call
1/2-13	GO/NOGO	STR-33	Steel	Regular price $143.00 $123.00 Sale	$123.00
1/2-13	SET	TRS-33	Steel	Regular price $286.00 $246.00 Sale	$246.00
1/2-20	GO/NOGO	STRC-34	Chrome	Call	call
1/2-20	SET	TRC-34	Chrome	Call	call
1/2-20	GO/NOGO	STR-34	Steel	Regular price $143.00 $123.00 Sale	$123.00
1/2-20	SET	TRS-34	Steel	Regular price $286.00 $246.00 Sale	$246.00
1/2-28	GO/NOGO	STRC-35	Chrome	Call	call
1/2-28	SET	TRC-35	Chrome	Call	call
1/2-28	GO/NOGO	STR-35	Steel	Regular price $171.00 $151.00 Sale	$151.00
1/2-28	SET	TRS-35	Steel	Regular price $342.00 $302.00 Sale	$302.00
9/16-12	GO/NOGO	STRC-36	Chrome	Call	call
9/16-12	SET	TRC-36	Chrome	Call	call
9/16-12	GO/NOGO	STR-36	Steel	Regular price $163.00 $143.00 Sale	$143.00
9/16-12	SET	TRS-36	Steel	Regular price $326.00 $286.00 Sale	$286.00
9/16-18	GO/NOGO	STRC-37	Chrome	Call	call
9/16-18	SET	TRC-37	Chrome	Call	call
9/16-18	GO/NOGO	STR-37	Steel	Regular price $163.00 $143.00 Sale	$143.00
9/16-18	SET	TRS-37	Steel	Regular price $326.00 $286.00 Sale	$286.00
9/16-24	GO/NOGO	STRC-38	Chrome	Call	call
9/16-24	SET	TRC-38	Chrome	Call	call
9/16-24	GO/NOGO	STR-38	Steel	Regular price $170.00 $150.00 Sale	$150.00
9/16-24	SET	TRS-38	Steel	Regular price $340.00 $300.00 Sale	$300.00
5/8-11	GO/NOGO	STRC-39	Chrome	Call	call
5/8-11	SET	TRC-39	Chrome	Call	call
5/8-11	GO/NOGO	STR-39	Steel	Regular price $163.00 $143.00 Sale	$143.00
5/8-11	SET	TRS-39	Steel	Regular price $326.00 $286.00 Sale	$286.00
5/8-18	GO/NOGO	STRC-40	Chrome	Call	call
5/8-18	SET	TRC-40	Chrome	Call	call
5/8-18	GO/NOGO	STR-40	Steel	Regular price $163.00 $143.00 Sale	$143.00
5/8-18	SET	TRS-40	Steel	Regular price $326.00 $286.00 Sale	$286.00
5/8-24	GO/NOGO	STRC-41	Chrome	Call	call
5/8-24	SET	TRC-41	Chrome	Call	call
5/8-24	GO/NOGO	STR-41	Steel	Regular price $217.00 $197.00 Sale	$197.00
5/8-24	SET	TRS-41	Steel	Regular price $434.00 $394.00 Sale	$394.00
11/16-24	GO/NOGO	STRC-42	Chrome	Call	call
11/16-24	SET	TRC-42	Chrome	Call	call
11/16-24	GO/NOGO	STR-42	Steel	Regular price $180.00 $160.00 Sale	$160.00
11/16-24	SET	TRS-42	Steel	Regular price $360.00 $320.00 Sale	$320.00
3/4-10	GO/NOGO	STRC-43	Chrome	Call	call
3/4-10	SET	TRC-43	Chrome	Call	call
3/4-10	GO/NOGO	STR-43	Steel	Regular price $196.00 $176.00 Sale	$176.00
3/4-10	SET	TRS-43	Steel	Regular price $392.00 $352.00 Sale	$352.00
3/4-16	GO/NOGO	STRC-44	Chrome	Call	call
3/4-16	SET	TRC-44	Chrome	Call	call
3/4-16	GO/NOGO	STR-44	Steel	Regular price $196.00 $176.00 Sale	$176.00
3/4-16	SET	TRS-44	Steel	Regular price $392.00 $352.00 Sale	$352.00
3/4-20	GO/NOGO	STRC-45	Chrome	Call	call
3/4-20	SET	TRC-45	Chrome	Call	call
3/4-20	GO/NOGO	STR-45	Steel	Regular price $235.00 $215.00 Sale	$215.00
3/4-20	SET	TRS-45	Steel	Regular price $470.00 $430.00 Sale	$430.00
13/16-20	GO/NOGO	STRC-46	Chrome	Call	call
13/16-20	SET	TRC-46	Chrome	Call	call
13/16-20	GO/NOGO	STR-46	Steel	Regular price $240.00 $220.00 Sale	$220.00
13/16-20	SET	TRS-46	Steel	Regular price $480.00 $440.00 Sale	$440.00
7/8-9	GO/NOGO	STRC-47	Chrome	Call	call
7/8-9	SET	TRC-47	Chrome	Call	call
7/8-9	GO/NOGO	STR-47	Steel	Regular price $210.00 $190.00 Sale	$190.00
7/8-9	SET	TRS-47	Steel	Regular price $420.00 $380.00 Sale	$380.00
7/8-14	GO/NOGO	STRC-48	Chrome	Call	call
7/8-14	SET	TRC-48	Chrome	Call	call
7/8-14	GO/NOGO	STR-48	Steel	Regular price $210.00 $190.00 Sale	$190.00
7/8-14	SET	TRS-48	Steel	Regular price $420.00 $380.00 Sale	$380.00
7/8-20	GO/NOGO	STRC-49	Chrome	Call	call
7/8-20	SET	TRC-49	Chrome	Call	call
7/8-20	GO/NOGO	STR-49	Steel	Regular price $245.00 $225.00 Sale	$225.00
7/8-20	SET	TRS-49	Steel	Regular price $490.00 $450.00 Sale	$450.00
15/16-20	GO/NOGO	STRC-50	Chrome	Call	call
15/16-20	SET	TRC-50	Chrome	Call	call
15/16-20	GO/NOGO	STR-50	Steel	Regular price $245.00 $225.00 Sale	$225.00
15/16-20	SET	TRS-50	Steel	Regular price $490.00 $450.00 Sale	$450.00
1-8	GO/NOGO	STRC-51	Chrome	Call	call
1-8	SET	TRC-51	Chrome	Call	call
1-8	GO/NOGO	STR-51	Steel	Regular price $253.00 $233.00 Sale	$233.00
1-8	SET	TRS-51	Steel	Regular price $506.00 $466.00 Sale	$466.00
1-12	GO/NOGO	STRC-52	Chrome	Call	call
1-12	SET	TRC-52	Chrome	Call	call
1-12	GO/NOGO	STR-52	Steel	Regular price $253.00 $233.00 Sale	$233.00
1-12	SET	TRS-52	Steel	Regular price $506.00 $466.00 Sale	$466.00
1-14	GO/NOGO	STRC-53	Chrome	Call	call
1-14	SET	TRC-53	Chrome	Call	call
1-14	GO/NOGO	STR-53	Steel	Regular price $253.00 $233.00 Sale	$233.00
1-14	SET	TRS-53	Steel	Regular price $506.00 $466.00 Sale	$466.00
1-20	GO/NOGO	STRC-54	Chrome	Call	call
1-20	SET	TRC-54	Chrome	Call	call
1-20	GO/NOGO	STR-54	Steel	Regular price $285.00 $265.00 Sale	$265.00
1-20	SET	TRS-54	Steel	Regular price $570.00 $530.00 Sale	$530.00
1-1/16-18	GO/NOGO	STRC-55	Chrome	Call	call
1-1/16-18	SET	TRC-55	Chrome	Call	call
1-1/16-18	GO/NOGO	STR-55	Steel	Regular price $315.00 $295.00 Sale	$295.00
1-1/16-18	SET	TRS-55	Steel	Regular price $630.00 $590.00 Sale	$590.00
1-1/8-7	GO/NOGO	STRC-56	Chrome	Call	call
1-1/8-7	SET	TRC-56	Chrome	Call	call
1-1/8-7	GO/NOGO	STR-56	Steel	Regular price $319.00 $299.00 Sale	$299.00
1-1/8-7	SET	TRS-56	Steel	Regular price $638.00 $598.00 Sale	$598.00
1-1/8-12	GO/NOGO	STRC-57	Chrome	Call	call
1-1/8-12	SET	TRC-57	Chrome	Call	call
1-1/8-12	GO/NOGO	STR-57	Steel	Regular price $319.00 $299.00 Sale	$299.00
1-1/8-12	SET	TRS-57	Steel	Regular price $638.00 $598.00 Sale	$598.00
1-1/8-18	GO/NOGO	STRC-58	Chrome	Call	call
1-1/8-18	SET	TRC-58	Chrome	Call	call
1-1/8-18	GO/NOGO	STR-58	Steel	Regular price $325.00 $305.00 Sale	$305.00
1-1/8-18	SET	TRS-58	Steel	Regular price $650.00 $610.00 Sale	$610.00
1-3/16-18	GO/NOGO	STRC-59	Chrome	Call	call
1-3/16-18	SET	TRC-59	Chrome	Call	call
1-3/16-18	GO/NOGO	STR-59	Steel	Regular price $332.00 $312.00 Sale	$312.00
1-3/16-18	SET	TRS-59	Steel	Regular price $664.00 $624.00 Sale	$624.00
1-1/4-7	GO/NOGO	STRC-60	Chrome	Call	call
1-1/4-7	SET	TRC-60	Chrome	Call	call
1-1/4-7	GO/NOGO	STR-60	Steel