API Thread Plug and Ring Gauges, American Plug and Ring Gauges
API Thread Ring Gauge Thread Plug Gauge
We can make all kinds of types Go & No go Gauge according to customers demand.
Our gage engineering team is ready to design and work with you on all your thread gaging needs;
We provide a complete line of API (American Petroleum Institute) plug and ring gages for(both working & masters):
| BCSG |
CSG |
NC |
IF |
TBG(NU) |
UP TBG |
REG |
FH |
| 4 1/2 BCSG |
4 1/2 CSG |
NC23 |
2 3/8 IF |
2 3/8 TBG (NU) |
2 3/8 UP TBG(EUE) |
2 3/8 REG |
2 7/8 FH |
| 5 BCSG |
5 CSG |
NC26 |
2 3/7 IF |
2 7/8 TBG (NU) |
2 7/8 UP TBG(EUE) |
2 7/8 REG |
3 1/2 FH |
| 5 1/2 BCSG |
5 1/2 CSG |
NC31 |
3 1/2 IF |
3 1/2 TBG (NU) |
3 1/2 UP TBG(EUE) |
3 1/2 REG |
4"FH |
| 6 5/8 BCSG |
6 5/8 CSG |
NC35 |
4 "IF |
4 TBG (NU) |
4 UP TBG(EUE) |
4 1/2 REG |
4 1/2 FH |
| 7 BCSG |
7 CSG |
NC38 |
4 1/2 IF |
4 1/2 TBG (NU) |
4 1/2 UP TBG(EUE) |
5 1/2 REG |
5 1/2 FH |
| 7 5/8 BCSG |
7 5/8 CSG |
NC40 |
5 1/2 IF |
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6 5/8 REG |
6 5/8 FH |
| 8 5/8 BCSG |
8 5/8 CSG |
NC44 |
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7 5/8 REG |
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| 9 5/8 BCSG |
9 5/8 CSG |
NC46 |
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8 5/8 REG |
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| 10 3/4 BCSG |
10 3/4 CSG |
NC50 |
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| 11 3/4 BCSG |
11 3/4 CSG |
NC56 |
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| 13 3/8 BCSG |
13 3/8 CSG |
NC61 |
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| 16 BCSG |
16 CSG |
NC70 |
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| 18 5/8 BCSG |
18 5/8 CSG |
NC77 |
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| 20 BCSG |
20 CSG |
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UP TBG, EU LINE PIPE or LP ; DP UP DP Gauge
API Thread Ring Gauge