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API GAGES

August 26,2021

API gages are available in:

Casing - Round	Sucker Rods P1-P8 & B1-B6	American National Special Thread
Line Pipe	Sucker Rods P2-P8 & B2-B6	Full Hole
Tubing-Non Upset	Polished Sucker Rods	Internal Flush
Tubing-External Upset	Extreme Line Gages	H-90
Tubing-Integral Joint	Negative Flank Angle	Slim Hole
Extreme Line Casing	Mining	Extra Hole
NC connections	BECO	Wide Open
Regular Rotary Shoulder Connections	D1-22, D1-42	AOH
PAC	XHole	Tapered Thread Gages-AWWA
Special custom gage designs

Spec 5B (API Plug And Ring)
	Normal	Size
Specifications / Applications	From	To	TPI	TPF
Casing – Round	4 1/2	13 3/8	8	3/4
Line Pipe	1/8	13 3/8	8-27	3/4
Tubing - Non Upset	1.050	3 1/2	10	3/4
Tubing - Non Upset	4	4 1/2	8	3/4
Tubing - External Upset	1.050	1.900	10	3/4
Tubing - External Upset	2 3/8	4 1/2	8	3/4
Tubing - Integral Joint	2 3/8	4 1/2	10	3/4
Extreme Line Casing	5	7 5/8	6	1 1/2
Extreme Line Casing	8 5/8	10 3/4	8	1 1/4

Spec 7 (API Plug And Ring)
	Normal	Size
Specifications / Applications	From	To	TPI	TPF
NC Connections	NC 10	NC 16	6	1 1/2
	NC 23	NC 50	4	2
	NC 56	NC 77	4	3
Regular Rotary Shoulder Connections	1	8 5/8	14-6	1 1/2, 2, 3
Full Hole	3 1/2	6 5/8	4-5	2, 3
Internal Flush	2 3/8	5 1/2	2	2
Internal Flush

Oil Field Related Connections (API Plug And Ring)
	Normal	Size
Specifications / Applications	From	To	TPI	TPF
H-90	2 3/8	8 5/8	3-3 1/2	1 1/4, 2, 3
Slim Hole	2 3/8		4	2
Extra Hole	2 7/8	5	4	2
Wide Open	2 3/8		4	2
AOH	2 3/8	4 1/2	4	1 1/2
PAC	2 3/8	3 1/2	4	1 1/2
XHole	2 7/8	3 1/2	4	2

Spec 11B
	Normal	Size
Specifications / Applications	From	To	TPI
Sucker Rods P2-P8 & B2-B6	1/2	1 1/8	10
Sucker Rods P1-P8 & B1-B6	1/2	1 1/8	10