internal thread

internal thread

[in′tərn·əl ′thred]
(design engineering)
A screw thread cut on the inner surface of a hollow cylinder.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

inside thread

The thread on the inside of a pipe, fitting, or machine screw.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Four geometries of horns were analyzed: the original horn with external thread M12x1 and three horns with optimized geometry with internal thread M12x1, M10x1 and M8x1.
Be certain to create a key in the base of the internal thread component of the mould so it will seat properly when pouring.
As these are fixed-limit gauges, this means that they provide a Go/No-Go assessment of the internal thread. There is a recessed minor thread diameter on the No-Go side of the tool and a dirt flute on the Go size; this eliminates gauge/thread damage.
A unique internal thread form is helping the oil industry enhance reliability even in super alloys by combating vibration, thread loosening, and extreme temperature, while easing assembly, maintenance and inventory management without need for secondary locking features.
The smallest C-Core (the CC-125-PC) coincides with the company's Minicore product range, however, unlike a Minicore where the internal thread is interrupted, the CC-125-PC has uninterrupted threads with its full 360 degree geometry.
The taps' crests are rounded off to promote smooth plastic flow and prevent cracks and burrs in the root of the internal thread. They feature a high cobalt HSS substrate for hardness and heat-resistance.
General Inspection LLC has recently installed a new computer-controlled missing internal thread detection instrument to a large die cast manufacturer in Kentucky.
The shipment, of two internal thread grinding machines, is valued at pounds 850,000, and is part of a pounds 1.7 million order.
Portable or Bench External and Internal Thread Inspection Systems incorporate functional and pitch diameter size measurements for UN, Metric, NPT, and all other thread forms.
Recall from our discussion that the class 2B is an internal thread and that class 2A is an external thread.

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