tapered thread

tapered thread

[′tā·pərd ′thred]
(design engineering)
A screw thread cut on the surface of a tapered part; it may be either a pine or box thread, or a V-, Acme, or square-screw thread.
References in periodicals archive ?
Hawkeye features a quick-threading tapered thread profile that compensates for wear and has superior load-bearing and tensile load-carrying capabilities.
Thus, the initial tapered thread or threads would be replaced by subsequent non-thread forming chase threads.
One interesting observation is that the maximum temperature with friction heating included occurs at the first chase thread and not the first leading tapered thread.
This is a tapered thread where the diameter changes by 3/4" per foot of length.
One of the most common types of connections found in process fluid-handling systems, NPT fittings have a tapered thread on both the male and female ends.
Tenders are invited for 1/2 Inch F Bsp Thread X 1/2 Inch Bspt Tapered Thread Male As Per Drawing Number Icf/Std-3-5-091 Alt A, Item-1
Dripstop[R] 923 is specially formulated for use on tapered threads and provides a lower break-loose torque than Dripstop[R] 940.
The threaded tailpiece retains the shock mount, and the valve assembly and tapered threads provide easy changing between tapered tail, cable puller assembly, 2-inch PVC pipe puller, 3-inch PVC pipe puller and 4 1/4-inch expander.
Pipe threads, usually designated NPT (National Pipe Taper) are tapered threads used for sealing threaded joints such as water and air pipes.
Tapered threads are the most difficult to thread roll due to the complete contact of the rolling head.
Additionally, the part can be made with either end out first, tapered threads can be whirled by moving the X2 axis during the thread cutting, and the thread can be cut right up to or even into a shoulder (Tornos reports this was previously impossible).