Unified Thread Plug Gage Size from 1 5/16-18UNEF to 2-20UN,FYOU PMEC Leading Solutions

Unified Thread Plug Gage Size from 1 5/16-18UNEF to 2-20UN

UNS thread gauge is Unified Special Pitch thread gauge; UNEF thread gauges is Unified National Extra Fine thread gauge; UNF thread gauge is UNIFIED NATIONAL FINE thread gage; UNC thread gage is Unified National Coarse thread gage with 60 degree thread angle; UN thread gauge is Unified Constant Pitch thread gauge.
Application of Unified Thread Working Plug Gauge: Comprehensive inspection of unified internal threads specified in ANSI B1.1-1982 and FED-STD-H28, H28/3 (1978)
ANSI unified thread working plug gauge inspection environment: standard temperature 20°C ± 1°C, standard condition measurement force is zero.
Unified Thread Working Plug Gauge Inspection Method: The length measuring instrument uses the “three-needle method” to detect a single mean diameter. The universal tool microscope can detect pitch, half angle, minor diameter, and clearance groove.

Unified Thread Plug Gage Size from 1 5/16-18UNEF to 2-20UN

Size	T.P.I	Pitch	Class	Go/No Go	Major d	Pitch Diameter d 2	Minor Diameter d 1	Thread Length L 2	ToTal length L
1 5/16-18UNEF	18	1.41	2B	GO	33.35	132.436	31.605	15	145
				NO GO	33.193	32.581	31.605	10
1 3/8-6UNC	6	4.23	2B	GO	34.945	32.195	29.731	35	179
				NO GO	34.272	32.438	29.731	24
1 3/8-12UNF	12	2.12	2B	GO	34.94	33.566	32.329	24	156
				NO GO	34.676	33.759	32.329	12
1 3/8-18UNEF	18	1.41	2B	GO	34.938	34.023	33.193	15	145
				NO GO	34.78	34.168	33.193	10
1 7/16-18UNEF	18	1.41	2B	GO	36.525	35.611	34.78	15	145
				NO GO	36.373	35.761	34.78	10
1 1/2-6UNC	6	4.23	2B	GO	38.12	35.37	32.906	35	179
				NO GO	37.45	35.616	32.906	24
1 1/2-12UNF	12	2.12	2B	GO	38.115	36.741	35.504	24	156
				NO GO	37.854	36.937	35.504	12
1 1/2-18UNEF	18	1.41	2B	GO	38.113	37.198	36.368	15	145
				NO GO	37.96	37.348	36.368	10
1 9/16-18UNEF	18	1.41	2B	GO	39.7	38.791	37.955	15	145
				NO GO	39.548	38.936	37.955	10
1 5/8-18UNEF	18	1.41	2B	GO	41.288	40.378	39.543	18	145
				NO GO	41.135	40.523	39.543	12
1 11/16-18UNEF	18	1.41	2B	GO	42.875	41.966	41.13	18	154
				NO GO	42.725	42.113	41.13	12
1 3/4-5UNC	5	5.08	2B	GO	44.47	41.176	38.217	42	194
				NO GO	43.792	41.593	38.217	28
1 3/4-12UN	12	2.12	2B	GO	44.465	43.096	41.854	26	162
				NO GO	44.191	43.274	41.854	12
1 3/4-16UN	16	1.59	2B	GO	44.465	43.439	42.502	18	154
				NO GO	44.282	43.594	42.502	12
1 3/4-20UN	20	1.27	2B	GO	44.463	43.645	42.89	18	154
				NO GO	44.336	43.785	42.89	12
1 13/16-12UN	12	2.12	2B	GO	46.053	44.684	43.442	26	162
				NO GO	45.778	44.861	43.442	12
1 13/16-16UN	16	1.59	2B	GO	46.053	45.027	44.089	18	154
				NO GO	45.87	45.182	44.089	12
1 13/16-20UN	20	1.27	2B	GO	46.05	45.232	44.478	18	154
				NO GO	45.923	45.372	44.478	12
1 7/8-12UN	12	2.12	2B	GO	47.64	46.271	45.029	26	162
				NO GO	47.366	46.449	45.029	12
1 7/8-16UN	16	1.59	2B	GO	47.64	46.614	45.677	18	154
				NO GO	47.457	46.769	45.677	12
1 7/8-20UN	20	1.27	2B	GO	47.638	46.82	46.065	18	154
				NO GO	47.511	46.96	46.065	12
1 15/16-12UN	12	2.12	2B	GO	49.228	47.859	46.617	26	162
				NO GO	48.956	48.039	46.617	12
1 15/16-16UN	16	1.59	2B	GO	49.228	48.202	47.264	18	154
				NO GO	49.047	48.359	47.264	12
1 15/16-20UN	20	1.27	2B	GO	49.225	48.407	47.653	18	154
				NO GO	49.101	48.55	47.653	12
2-4.5UNC	4.5	5.64	2B	GO	50.82	47.16	43.876	48	216
				NO GO	49.893	47.45	43.876	30
2-12UN	12	2.12	2B	GO	50.815	49.446	48.204	26	180
				NO GO	50.543	49.627	48.204	16
2-16UN	16	1.59	2B	GO	50.815	49.789	48.852	18	172
				NO GO	50.635	49.947	48.852	16
2-20UN	20	1.27	2B	GO	50.813	49.995	49.24	18	172
				NO GO	50.688	50.137	49.24	16

How to order?
Please specify the item size diameter, teeth per inch, accuracy class in your order. We can provide ring gauges in class 1A,2A,3A and plug gauges in class 1B,2B and 3B.

For Example： Ring gauge 2 1/4－12UN-2A GO/NO GO
Plug gauge 2 1/4－12UN-2B GO/NO GO
And E-mail to: sales@fyougauges.com

Super Size thread Gages is available, till to Max Size: 1000 mm ,come with long form calibration certificate.