Gages

Reversible Thread Plug Gages

Reversible thread plug gages check the size of internal threads to ensure the threads are within its designed tolerance limits
A reversible gage provides two gages for the price of one
Class X Tolerance
Class 2B or 3B for inch
Class 6H for metric
GO and/or NO GO plug members
ASME/ANSI B1. 2 and ANSI/ASME B1.16M compliant
Precision hand lapped to provide superior accuracy and optimum finish
Manufactured to the high end of the ANSI specifications to provide maximum wearability
Final inspection of gages is completed in an environmentally controlled ISO 17025 laboratory
Available in steel and chrome
Free NIST certificate of accuracy

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	Chrome	RTC-01	Regular price $119.00 $99.00 Sale	$99.00
0-80	DOUBLE-END	Chrome	RTCDE-01	Regular price $251.00 $211.00 Sale	$211.00
0-80	GO/NOGO	Steel	RTS-01	Regular price $106.00 $86.00 Sale	$86.00
0-80	DOUBLE-END	Steel	RTSDE-01	Regular price $225.00 $185.00 Sale	$185.00
1-64	GO/NOGO	Chrome	RTC-02	Regular price $119.00 $99.00 Sale	$99.00
1-64	DOUBLE-END	Chrome	RTCDE-02	Regular price $251.00 $211.00 Sale	$211.00
1-64	GO/NOGO	Steel	RTS-02	Regular price $106.00 $86.00 Sale	$86.00
1-64	DOUBLE-END	Steel	RTSDE-02	Regular price $225.00 $185.00 Sale	$185.00
1-72	GO/NOGO	Chrome	RTC-03	Regular price $119.00 $99.00 Sale	$99.00
1-72	DOUBLE-END	Chrome	RTCDE-03	Regular price $251.00 $211.00 Sale	$211.00
1-72	GO/NOGO	Steel	RTS-03	Regular price $106.00 $86.00 Sale	$86.00
1-72	DOUBLE-END	Steel	RTSDE-03	Regular price $226.00 $186.00 Sale	$186.00
2-56	GO/NOGO	Chrome	RTC-04	Regular price $107.00 $87.00 Sale	$87.00
2-56	DOUBLE-END	Chrome	RTCDE-04	Regular price $227.00 $187.00 Sale	$187.00
2-56	GO/NOGO	Steel	RTS-04	Regular price $96.00 $76.00 Sale	$76.00
2-56	DOUBLE-END	Steel	RTSDE-04	Regular price $205.00 $165.00 Sale	$165.00
2-64	GO/NOGO	Chrome	RTC-05	Regular price $107.00 $87.00 Sale	$87.00
2-64	DOUBLE-END	Chrome	RTCDE-05	Regular price $227.00 $187.00 Sale	$187.00
2-64	GO/NOGO	Steel	RTS-05	Regular price $96.00 $76.00 Sale	$76.00
2-64	DOUBLE-END	Steel	RTSDE-05	Regular price $205.00 $165.00 Sale	$165.00
3-48	GO/NOGO	Chrome	RTC-06	Regular price $102.00 $82.00 Sale	$82.00
3-48	DOUBLE-END	Chrome	RTCDE-06	Regular price $217.00 $177.00 Sale	$177.00
3-48	GO/NOGO	Steel	RTS-06	Regular price $92.00 $72.00 Sale	$72.00
3-48	DOUBLE-END	Steel	RTSDE-06	Regular price $197.00 $157.00 Sale	$157.00
3-56	GO/NOGO	Chrome	RTC-07	Regular price $102.00 $82.00 Sale	$82.00
3-56	DOUBLE-END	Chrome	RTCDE-07	Regular price $217.00 $177.00 Sale	$177.00
3-56	GO/NOGO	Steel	RTS-07	Regular price $92.00 $72.00 Sale	$72.00
3-56	DOUBLE-END	Steel	RTSDE-07	Regular price $197.00 $157.00 Sale	$157.00
4-40	GO/NOGO	Chrome	RTC-08	Regular price $97.00 $77.00 Sale	$77.00
4-40	DOUBLE-END	Chrome	RTCDE-08	Regular price $207.00 $167.00 Sale	$167.00
4-40	GO/NOGO	Steel	RTS-08	Regular price $87.00 $67.00 Sale	$67.00
4-40	DOUBLE-END	Steel	RTSDE-08	Regular price $187.00 $147.00 Sale	$147.00
4-48	GO/NOGO	Chrome	RTC-09	Regular price $97.00 $77.00 Sale	$77.00
4-48	DOUBLE-END	Chrome	RTCDE-09	Regular price $207.00 $167.00 Sale	$167.00
4-48	GO/NOGO	Steel	RTS-09	Regular price $87.00 $67.00 Sale	$67.00
4-48	GO/NOGO	Steel	RTS-09	Regular price $87.00 $67.00 Sale	$67.00
4-48	DOUBLE-END	Steel	RTSDE-09	Regular price $187.00 $147.00 Sale	$147.00
5-40	GO/NOGO	Chrome	RTC-10	Regular price $90.00 $70.00 Sale	$70.00
5-40	DOUBLE-END	Chrome	RTCDE-10	Regular price $193.00 $153.00 Sale	$153.00
5-40	GO/NOGO	Steel	RTS-10	Regular price $81.00 $61.00 Sale	$61.00
5-40	DOUBLE-END	Steel	RTSDE-10	Regular price $175.00 $135.00 Sale	$135.00
5-44	GO/NOGO	Chrome	RTC-11	Regular price $90.00 $70.00 Sale	$70.00
5-44	DOUBLE-END	Chrome	RTCDE-11	Regular price $193.00 $153.00 Sale	$153.00
5-44	GO/NOGO	Steel	RTS-11
5-44	DOUBLE-END	Steel	RTSDE-11
6-32	GO/NOGO	Chrome	RTC-12	Regular price $90.00 $70.00 Sale	$70.00
6-32	DOUBLE-END	Chrome	RTCDE-12	Regular price $193.00 $153.00 Sale	$153.00
6-32	GO/NOGO	Steel	RTS-12	Regular price $81.00 $61.00 Sale	$61.00
6-32	DOUBLE-END	Steel	RTSDE-12	Regular price $175.00 $135.00 Sale	$135.00
6-40	GO/NOGO	Chrome	RTC-13	Regular price $90.00 $70.00 Sale	$70.00
6-40	DOUBLE-END	Chrome	RTCDE-13	Regular price $193.00 $153.00 Sale	$153.00
6-40	GO/NOGO	Steel	RTS-13	Regular price $81.00 $61.00 Sale	$61.00
6-40	DOUBLE-END	Steel	RTSDE-13	Regular price $175.00 $135.00 Sale	$135.00
8-32	GO/NOGO	Chrome	RTC-14	Regular price $90.00 $70.00 Sale	$70.00
8-32	DOUBLE-END	Chrome	RTCDE-14	Regular price $193.00 $153.00 Sale	$153.00
8-32	GO/NOGO	Steel	RTS-14	Regular price $81.00 $61.00 Sale	$61.00
8-32	DOUBLE-END	Steel	RTSDE-14	Regular price $175.00 $135.00 Sale	$135.00
8-36	GO/NOGO	Chrome	RTC-15	Regular price $90.00 $70.00 Sale	$70.00
8-36	DOUBLE-END	Chrome	RTCDE-15	Regular price $193.00 $153.00 Sale	$153.00
8-36	GO/NOGO	Steel	RTS-15	Regular price $81.00 $61.00 Sale	$61.00
8-36	DOUBLE-END	Steel	RTSDE-15	Regular price $175.00 $135.00 Sale	$135.00
10-24	GO/NOGO	Chrome	RTC-16	Regular price $90.00 $70.00 Sale	$70.00
10-24	DOUBLE-END	Chrome	RTCDE-16	Regular price $194.00 $154.00 Sale	$154.00
10-24	GO/NOGO	Steel	RTS-16	Regular price $81.00 $61.00 Sale	$61.00
10-24	DOUBLE-END	Steel	RTSDE-16	Regular price $176.00 $136.00 Sale	$136.00
10-32	GO/NOGO	Chrome	RTC-17	Regular price $90.00 $70.00 Sale	$70.00
10-32	DOUBLE-END	Chrome	RTCDE-17	Regular price $194.00 $154.00 Sale	$154.00
10-32	GO/NOGO	Steel	RTS-17	Regular price $81.00 $61.00 Sale	$61.00
10-32	DOUBLE-END	Steel	RTSDE-17	Regular price $176.00 $136.00 Sale	$136.00
12-24	GO/NOGO	Chrome	RTC-18	Regular price $90.00 $70.00 Sale	$70.00
12-24	DOUBLE-END	Chrome	RTCDE-18	Regular price $194.00 $154.00 Sale	$154.00
12-24	GO/NOGO	Steel	RTS-18	Regular price $81.00 $61.00 Sale	$61.00
12-24	DOUBLE-END	Steel	RTSDE-18	Regular price $176.00 $136.00 Sale	$136.00
12-28	GO/NOGO	Chrome	RTC-19	Regular price $90.00 $70.00 Sale	$70.00
12-28	DOUBLE-END	Chrome	RTCDE-19	Regular price $194.00 $154.00 Sale	$154.00
12-28	GO/NOGO	Steel	RTS-19	Regular price $81.00 $61.00 Sale	$61.00
12-28	DOUBLE-END	Steel	RTSDE-19	Regular price $176.00 $136.00 Sale	$136.00
12-32	GO/NOGO	Chrome	RTC-20	Regular price $90.00 $70.00 Sale	$70.00
12-32	DOUBLE-END	Chrome	RTCDE-20	Regular price $194.00 $154.00 Sale	$154.00
12-32	GO/NOGO	Steel	RTS-20
12-32	DOUBLE-END	Steel	RTSDE-20
1/4-20	GO/NOGO	Chrome	RTC-21	Regular price $85.00 $65.00 Sale	$65.00
1/4-20	DOUBLE-END	Chrome	RTCDE-21	Regular price $184.00 $144.00 Sale	$144.00
1/4-20	GO/NOGO	Steel	RTS-21	Regular price $76.00 $56.00 Sale	$56.00
1/4-20	DOUBLE-END	Steel	RTSDE-21	Regular price $166.00 $126.00 Sale	$126.00
1/4-28	GO/NOGO	Chrome	RTC-22	Regular price $85.00 $65.00 Sale	$65.00
1/4-28	DOUBLE-END	Chrome	RTCDE-22	Regular price $184.00 $144.00 Sale	$144.00
1/4-28	GO/NOGO	Steel	RTS-22	Regular price $76.00 $56.00 Sale	$56.00
1/4-28	DOUBLE-END	Steel	RTSDE-22	Regular price $166.00 $126.00 Sale	$126.00
1/4-32	GO/NOGO	Chrome	RTC-23	Regular price $85.00 $65.00 Sale	$65.00
1/4-32	GO/NOGO	Chrome	RTC-23	Regular price $85.00 $65.00 Sale	$65.00
1/4-32	DOUBLE-END	Chrome	RTCDE-23	Regular price $184.00 $144.00 Sale	$144.00
1/4-32	GO/NOGO	Steel	RTS-23
1/4-32	DOUBLE-END	Steel	RTSDE-23
5/16-18	GO/NOGO	Chrome	RTC-24	Regular price $85.00 $65.00 Sale	$65.00
5/16-18	DOUBLE-END	Chrome	RTCDE-24	Regular price $185.00 $145.00 Sale	$145.00
5/16-18	GO/NOGO	Steel	RTS-24	Regular price $76.00 $56.00 Sale	$56.00
5/16-18	DOUBLE-END	Steel	RTSDE-24	Regular price $167.00 $127.00 Sale	$127.00
5/16-24	GO/NOGO	Chrome	RTC-25	Regular price $85.00 $65.00 Sale	$65.00
5/16-24	DOUBLE-END	Chrome	RTCDE-25	Regular price $185.00 $145.00 Sale	$145.00
5/16-24	GO/NOGO	Steel	RTS-25	Regular price $76.00 $56.00 Sale	$56.00
5/16-24	DOUBLE-END	Steel	RTSDE-25	Regular price $167.00 $127.00 Sale	$127.00
5/16-32	GO/NOGO	Chrome	RTC-26	Regular price $85.00 $65.00 Sale	$65.00
5/16-32	DOUBLE-END	Chrome	RTCDE-26	Regular price $185.00 $145.00 Sale	$145.00
5/16-32	GO/NOGO	Steel	RTS-26
5/16-32	DOUBLE-END	Steel	RTSDE-26
3/8-16	GO/NOGO	Chrome	RTC-27	Regular price $90.00 $70.00 Sale	$70.00
3/8-16	DOUBLE-END	Chrome	RTCDE-27	Regular price $195.00 $155.00 Sale	$155.00
3/8-16	GO/NOGO	Steel	RTS-27	Regular price $81.00 $61.00 Sale	$61.00
3/8-16	DOUBLE-END	Steel	RTSDE-27	Regular price $177.00 $137.00 Sale	$137.00
3/8-24	GO/NOGO	Chrome	RTC-28	Regular price $90.00 $70.00 Sale	$70.00
3/8-24	DOUBLE-END	Chrome	RTCDE-28	Regular price $195.00 $155.00 Sale	$155.00
3/8-24	GO/NOGO	Steel	RTS-28	Regular price $81.00 $61.00 Sale	$61.00
3/8-24	DOUBLE-END	Steel	RTSDE-28	Regular price $177.00 $137.00 Sale	$137.00
3/8-32	GO/NOGO	Chrome	RTC-29	Regular price $90.00 $70.00 Sale	$70.00
3/8-32	DOUBLE-END	Chrome	RTCDE-29	Regular price $195.00 $155.00 Sale	$155.00
3/8-32	GO/NOGO	Steel	RTS-29
3/8-32	DOUBLE-END	Steel	RTSDE-29
7/16-14	GO/NOGO	Chrome	RTC-30	Regular price $90.00 $70.00 Sale	$70.00
7/16-14	DOUBLE-END	Chrome	RTCDE-30	Regular price $195.00 $155.00 Sale	$155.00
7/16-14	GO/NOGO	Steel	RTS-30	Regular price $81.00 $61.00 Sale	$61.00
7/16-14	DOUBLE-END	Steel	RTSDE-30	Regular price $177.00 $137.00 Sale	$137.00
7/16-20	GO/NOGO	Chrome	RTC-31	Regular price $90.00 $70.00 Sale	$70.00
7/16-20	DOUBLE-END	Chrome	RTCDE-31	Regular price $195.00 $155.00 Sale	$155.00
7/16-20	GO/NOGO	Steel	RTS-31	Regular price $81.00 $61.00 Sale	$61.00
7/16-20	DOUBLE-END	Steel	RTSDE-31	Regular price $177.00 $137.00 Sale	$137.00
7/16-28	GO/NOGO	Chrome	RTC-32	Regular price $90.00 $70.00 Sale	$70.00
7/16-28	DOUBLE-END	Chrome	RTCDE-32	Regular price $195.00 $155.00 Sale	$155.00
7/16-28	GO/NOGO	Steel	RTS-32
7/16-28	DOUBLE-END	Steel	RTSDE-32
1/2-13	GO/NOGO	Chrome	RTC-33	Regular price $90.00 $70.00 Sale	$70.00
1/2-13	DOUBLE-END	Chrome	RTCDE-33	Regular price $195.00 $155.00 Sale	$155.00
1/2-13	GO/NOGO	Steel	RTS-33	Regular price $81.00 $61.00 Sale	$61.00
1/2-13	DOUBLE-END	Steel	RTSDE-33	Regular price $177.00 $137.00 Sale	$137.00
1/2-20	GO/NOGO	Chrome	RTC-34	Regular price $90.00 $70.00 Sale	$70.00
1/2-20	DOUBLE-END	Chrome	RTCDE-34	Regular price $195.00 $155.00 Sale	$155.00
1/2-20	GO/NOGO	Steel	RTS-34	Regular price $81.00 $61.00 Sale	$61.00
1/2-20	DOUBLE-END	Steel	RTSDE-34	Regular price $177.00 $137.00 Sale	$137.00
1/2-28	GO/NOGO	Chrome	RTC-35	Regular price $90.00 $70.00 Sale	$70.00
1/2-28	DOUBLE-END	Chrome	RTCDE-35	Regular price $195.00 $155.00 Sale	$155.00
1/2-28	GO/NOGO	Steel	RTS-35
1/2-28	DOUBLE-END	Steel	RTSDE-35
9/16-12	GO/NOGO	Chrome	RTC-36	Regular price $98.00 $78.00 Sale	$78.00
9/16-12	DOUBLE-END	Chrome	RTCDE-36	Regular price $212.00 $172.00 Sale	$172.00
9/16-12	GO/NOGO	Steel	RTS-36
9/16-12	DOUBLE-END	Steel	RTSDE-36
9/16-18	GO/NOGO	Chrome	RTC-37	Regular price $98.00 $78.00 Sale	$78.00
9/16-18	DOUBLE-END	Chrome	RTCDE-37	Regular price $212.00 $172.00 Sale	$172.00
9/16-18	GO/NOGO	Steel	RTS-37	Regular price $88.00 $68.00 Sale	$68.00
9/16-18	DOUBLE-END	Steel	RTSDE-37	Regular price $192.00 $152.00 Sale	$152.00
9/16-24	GO/NOGO	Chrome	RTC-38	Regular price $98.00 $78.00 Sale	$78.00
9/16-24	DOUBLE-END	Chrome	RTCDE-38	Regular price $212.00 $172.00 Sale	$172.00
9/16-24	GO/NOGO	Steel	RTS-38	Regular price $88.00 $68.00 Sale	$68.00
9/16-24	DOUBLE-END	Steel	RTSDE-38
5/8-11	GO/NOGO	Chrome	RTC-39	Regular price $98.00 $78.00 Sale	$78.00
5/8-11	DOUBLE-END	Chrome	RTCDE-39	Regular price $212.00 $172.00 Sale	$172.00
5/8-11	GO/NOGO	Steel	RTS-39
5/8-11	DOUBLE-END	Steel	RTSDE-39	Regular price $192.00 $152.00 Sale	$152.00
5/8-18	GO/NOGO	Chrome	RTC-40	Regular price $98.00 $78.00 Sale	$78.00
5/8-18	DOUBLE-END	Chrome	RTCDE-40	Regular price $212.00 $172.00 Sale	$172.00
5/8-18	GO/NOGO	Steel	RTS-40	Regular price $88.00 $68.00 Sale	$68.00
5/8-18	DOUBLE-END	Steel	RTSDE-40	Regular price $192.00 $152.00 Sale	$152.00
5/8-24	GO/NOGO	Chrome	RTC-41	Regular price $98.00 $78.00 Sale	$78.00
5/8-24	DOUBLE-END	Chrome	RTCDE-41	Regular price $212.00 $172.00 Sale	$172.00
5/8-24	GO/NOGO	Steel	RTS-41	Regular price $88.00 $68.00 Sale	$68.00
5/8-24	DOUBLE-END	Steel	RTSDE-41
11/16-24	GO/NOGO	Chrome	RTC-42	Regular price $98.00 $78.00 Sale	$78.00
11/16-24	DOUBLE-END	Chrome	RTCDE-42	Regular price $212.00 $172.00 Sale	$172.00
11/16-24	GO/NOGO	Steel	RTS-42
11/16-24	DOUBLE-END	Steel	RTSDE-42	Regular price $210.00 $170.00 Sale	$170.00
3/4-10	GO/NOGO	Chrome	RTC-43	Regular price $109.00 $89.00 Sale	$89.00
3/4-10	DOUBLE-END	Chrome	RTCDE-43	Regular price $234.00 $194.00 Sale	$194.00
3/4-10	GO/NOGO	Steel	RTS-43	Regular price $97.00 $77.00 Sale	$77.00
3/4-10	DOUBLE-END	Steel	RTSDE-43	Regular price $210.00 $170.00 Sale	$170.00
3/4-16	GO/NOGO	Chrome	RTC-44	Regular price $109.00 $89.00 Sale	$89.00
3/4-16	DOUBLE-END	Chrome	RTCDE-44	Regular price $234.00 $194.00 Sale	$194.00
3/4-16	GO/NOGO	Steel	RTS-44	Regular price $97.00 $77.00 Sale	$77.00
3/4-16	DOUBLE-END	Steel	RTSDE-44	Regular price $210.00 $170.00 Sale	$170.00
3/4-20	GO/NOGO	Chrome	RTC-45	Regular price $109.00 $89.00 Sale	$89.00
3/4-20	DOUBLE-END	Chrome	RTCDE-45	Regular price $234.00 $194.00 Sale	$194.00
3/4-20	GO/NOGO	Steel	RTS-45
3/4-20	DOUBLE-END	Steel	RTSDE-45
M1.6-0.35	GO/NOGO	Chrome	MRTC-01	call
M1.6-0.35	DOUBLE-END	Chrome	MRTCDE-01	call
M1.6-0.35	GO/NOGO	Steel	MRTS-01	call
M1.6-0.35	DOUBLE-END	Steel	MRTSDE-01	call
M1.8-0.35	GO/NOGO	Chrome	MRTC-02	call
M1.8-0.35	DOUBLE-END	Chrome	MRTCDE-02	call
M1.8-0.35	GO/NOGO	Steel	MRTS-02	call
M1.8-0.35	DOUBLE-END	Steel	MRTSDE-02	call
M2.0-0.40	GO/NOGO	Chrome	MRTC-03	call
M2.0-0.40	DOUBLE-END	Chrome	MRTCDE-03	call
M2.0-0.40	GO/NOGO	Steel	MRTS-03	call
M2.0-0.40	DOUBLE-END	Steel	MRTSDE-03	call
M2.2-0.45	GO/NOGO	Chrome	MRTC-04	call
M2.2-0.45	DOUBLE-END	Chrome	MRTCDE-04	call
M2.2-0.45	GO/NOGO	Steel	MRTS-04	call
M2.2-0.45	DOUBLE-END	Steel	MRTSDE-04	call
M2.5-0.45	GO/NOGO	Chrome	MRTC-05	call
M2.5-0.45	DOUBLE-END	Chrome	MRTCDE-05	call
M2.5-0.45	GO/NOGO	Steel	MRTS-05	call