Thread Gauges

API Thread Gage Library

Below is a list of J.A. King’s API certified thread and plug gages.

SizeThread Type
1.05IO NON UP TBG API
1.05IO NON UP TBG API
1.25API Line Pipe
1.2511 1/2 API Line Pipe Reference Master
1.315NON UP TBG API Reference Master
1.315NON UP TBG API Reference Master
1.315UP TBG API
1.315EXT UP TBG API Reference Master
1.5API LP
1.5API LP
1.5Valve Removal Master P-61611
1.5Sharp V TBG Master R-56463
1.66EXT UP TBG API Reference Master
1.66EXT UP TBG API
1.66OD NON UP API TBG Master P-32254
1.66OD NON UP API TBG Master R-32253
1.9NON UP TBG API Reference Master
1.9NON UP TBG API Reference Master
1.9EXT UP TBG API Reference Master
1.900EXT UP TBG API
211 1/2 LP API Master Plug Gage
211 1/2″ LP API Master Ring Gage
2API Line Pipe
2API Line Pipe
2.375UP TBG API Master Plug Gage
2.375UP TBG API Master Ring Gage
2.375NON UP TBG API Reference Master
2.375NON UP TBG API Reference Master
2.511 1/2 Sharp V TBG
2.511 1/2 Sharp V TBG
2.5API LP
2.5API LP
2.875EXT UP TBG
2.875EXT UP TBG
2.875API Non Upset Tubing
2.875API Non Upset Tubing
2.875TBG
3API LP
3API Line Pipe
3.5API Line Pipe
3.5API Line Pipe
3.5API UP TBG Master P-31150
3.5OD API UP TBG Master R-31147
3.5OD API TBG Master P-31153
3.5OD API TBG Master R-30932
4API Line Pipe
4API Line Pipe
4.5API IF Rotary NC50
4.5API IF Rotary NC50 R-27226
4.5API Buttress CSG Master P-30991
4.5API Buttress CSG Master R-30588
4.5NON UP TBG API Reference Master
4.5NON UP TBG API Reference Master
4.5CSG API Reference Master
4.5CSG API Refeerence Master
4.5EXT UP TBG API Reference Master
4.5EXT UP TBG Reference Master
5API LP
5API Line Pipe
5API CSG Reference Master
5API CSG Reference Master
5.5API CSG Master
5.5API CSG Master
5.5API Buttress CSG Master P-30555
5.5API Buttress CSG R-30559
6API LP
6API LP
6.625API Casing Reference Master
6.625API Casing Reference Master
7API CSG Master
7API CSG Master
7API Buttress CSG Master P-30561
7API Buttress CSG Master R-30942
7.625API Casing Reference Master
7.625API CSG Reference Master
7.625API Buttress CSG Master P-31052
7.625API Buttress CSG Master R-31055
8.625API Casing Reference Master
8.625API Casing Reference Master
8.625API Buttress CSG Master P-29485
8.625API Buttress CSG Master R-30698
9.6258 API CSG Master Ring Gage
9.6258 API CSG Master Plug Gage
9.625API Buttress CSG Master P-29674
9.625API Buttress CSG Master R-29775
10.75API CSG Master
10.75API CSG Master
10.75API Buttress CSG Master P-29176
10.75API Buttress CSG Master R-29177
11.75API Buttress CSG Master P-30679
11.75API Buttress CSG Master R-30616
11.75API CSG Master P-30818
11.75API CSG Master R-30820
13.3758 API CSG Master Ring Gage
13.3758 API CSG Master Plug Gage
13.375API Buttress CSG Master R-28927
13.375API Buttress CSG Master R-28928
16API Buttress CSG Master P-28634
16API Buttress CSG Master R-28635
16API CSG Master
16API CSG Master
18.625API CSG Master
18.625API CSG Master R-31989
20API Buttress CSG Master P-28638
20API Buttress CST Master R-28639
20API CSG Master R-29000
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