Name: Come buy!! API 5CT CASING THREAD GAUGES from China supplier
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Product Details

CASING THREAD GAUGES

Casing thread gauges are measuring tools for checking connection threads of oil casing and couplings. Based on the type of oil casing, the gauges are classified into round thread of casing (CSG) and buttress thread of casing (BCSG).

TECHNICAL PARAMETER

Round Thread Casing
Specification in(mm)	Number of Threads/in(Pitch)	Taper(in/ft)
4 1/2(114.3)	8(3.175)	1:16(3/4)
5(127.0)	8(3.175)	1:16(3/4)
5 1/2139.7)	8(3.175)	1:16(3/4)
6 5/8(168.3)	8(3.175)	1:16(3/4)
7(177.8)	8(3.175)	1:16(3/4)
7 5/8(193.7)	8(3.175)	1:16(3/4)
8 5/8(219.1)	8(3.175)	1:16(3/4)
9 5/8(244.5)	8(3.175)	1:16(3/4)
10 3/4(237.1)	8(3.175)	1:16(3/4)
11 3/4(298.5)	8(3.175)	1:16(3/4)
13 3/8(339.7)	8(3.175)	1:16(3/4)
16(406.4)	8(3.175)	1:16(3/4)
18 5/8(473.1)	8(3.175)	1:16(3/4)
20(508.0)	8(3.175)	1:16(3/4)

Buttress Thread Casing
Specification in(mm)	Number of threads/in(Pitch)	Taper(in/ft)
4 1/2(114.7)	5(5.08)	1:16(3/4)
5(127.4)	5(5.08)	1:16(3/4)
5 1/2(140.1)	5(5.08)	1:16(3/4)
6 5/8(168.7)	5(5.08)	1:16(3/4)
7(178.2)	5(5.08)	1:16(3/4)
7 5/8(194.1)	5(5.08)	1:16(3/4)
8 5/8(219.5)	5(5.08)	1:16(3/4)
9 5/8(244.9)	5(5.08)	1:16(3/4)
10 3/4(273.5)	5(5.08)	1:16(3/4)
11 3/4(298.9)	5(5.08)	1:16(3/4)
13 3/8(340.1)	5(5.08)	1:16(3/4)
16(406.4)	5(5.08)	1:12(1)
18 5/8(473.1)	5(5.08)	1:12(1)
20(508.0)	5(5.08)	1:12(1)

TECHNICAL PARAMETERS OF SELF-LOCKING CORING GAUGES

External Barrel Coring
Specification in(mm)	Number of threads/in(Pitch)	Taper(in/ft)
OQ×121	6(4.233)	1:16(3/4)
OQ×133	6(4.233)	1:16(3/4)
OQ×146	6(4.233)	1:16(3/4)
OQ×172	6(4.233)	1:16(3/4)
OQ×180	6(4.233)	1:16(3/4)
OQ×194	6(4.233)	1:16(3/4)

Internal Barrel Coring
Specification in(mm)	Number of threads/in(Pitch)	Taper(in/ft)
OQ×85	8(3.175)	1:16(3/4)
OQ×88.9	8(3.175)	1:16(3/4)
OQ×101.6	8(3.175)	1:16(3/4)
OQ×121	8(3.175)	1:16(3/4)
OQ×127	8(3.175)	1:16(3/4)
OQ×139.7	8(3.175)	1:16(3/4)