female thread

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 ?
* Std 1/4-20 female thread for camera mounting (bottom)
Sort of a Swiss Army knife for guns, the AR-15 tool sports a useful collection of tools: needle-nose pliers, carbide cutter, carbide glass-breaker, carrier scraper, 10-function bolt/firing pin/cam pin scraper, cotter pin puller, bolt override tool, Al & A2 front sight adjuster, interchangeable pin punch, interchangeable hooked pick, 8-32 male and female thread receivers, 3/4" 440c serrated Tanto knife, 12 high-quality bits with bit driver, tap hammer, metal file.
The XT design incorporates revolutionary new guided cylindrical contact zones between the male and female thread joints.
This is due to the fact that the thread has controlled thread truncation at the crest and root, thus ensuring full metal-to-metal contact as the male and female thread flanks make contact.
* The 1 MNPT x 1 FNPT swivel will work with any 1 NPT nozzle or fitting regardless if they have a male or female thread.
Both units are made of 420 hardened stainless steel with a 3/4-14 NPT female thread to connect the stuffer box to a molding machine.
The handles are available in a range of sizes and can be ordered from stock with either a male or female thread.
What makes Spiralock unique is its 30 [degrees] "wedge" ramp cut at the root of the female thread (while traditional fasteners use a 60 [degrees] thread).
Mating with standard 60[degrees] male fasteners, Spiralock Corporation's Spiralock self-locking fastener thread offers a 30[degrees] wedge ramp at the root of the female thread to allow spinning relative to female threads until tension is created in the male fastener.
The rotary/random orbital sanding head is offered in a 5/8-in.-11 female thread size to fit most buffers up to 3,200rpm.