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Product Description -- Thread Taper Gauge for BOX
Internal Taper Gauge for use on API Casing and Line Pipe in sizes from 4-12 ~ 20″ ID, in addition it can be used to check ring groove diameters in couplings. A unique feature is the versatility gained through the use of interchangeable stainless steel extension rods.
The thread taper is the angular change in pitch diameter along the length of a threaded connection, measured in inches per foot. For all API threads, the thread taper is not only a common practice within the industry, but it is also a mandatory inspection.
Gauge Type: Taper Gauge For BOX
Size Range: 4-1/2" ~20″ Thread Diameters
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