API Petroleum Thread Gauge (BCSG)
API working plug and API thread ring gages are manufactured to American Petroleum Institute (A.P.I) specifications and are used as the benchmark for calibration by the National Institute of Standards and Technology (NIST)
Part NO: RGPG-11001
Specifications:
Buttress Casing Thread(BCSG)
The pitch of API gauges:5.08(5); The form angle of API thread gauge:3°, 10°
|
Order No.
|
Size
|
Outside Dia
|
Taper
|
|
RGPG-11001
|
4 - 1/2
|
114.30
|
1:16
|
|
|
5
|
127.00
|
|
|
|
5 1/2
|
139.70
|
|
|
|
6 5/8
|
168.28
|
|
|
|
7
|
177.80
|
|
|
|
7 5/8
|
193.68
|
|
|
|
8 5/8
|
219.08
|
|
|
|
9 5/8
|
244.48
|
|
|
|
|
273.05
|
|
|
|
11 3/4
|
298.45
|
|
|
|
13 3/4
|
339.73
|
|
|
|
16
|
406.4
|
|
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