buttress thread


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buttress thread

n
(General Engineering) a screw thread having one flank that is vertical while the other is inclined, and a flat top and bottom: used in machine tools and designed to withstand heavy thrust in one direction
References in periodicals archive ?
The buttress thread shape was initially designed for optimized pull out loads and the square thread provides an optimized surface area for intrusive, compressive load transmission [1].
528"-13, 60 degree buttress thread is a weird, angled thread that is difficult to turn; it is at least more difficult than is necessary when other options are available.
An 8" diameter water fill hole allows for fast fills and a 1 1/2 Turn, quick out drain plug with buttress thread allows for quick drains.
The tapered buttress thread joints maximize strength of body, end-cap and tail-piece connections.
The unit's unscrewed buttress thread provides for a wider application window on the filling line and allows for higher application torque without bulging or stripping sidewalls.
The new system has replaced o-rings and NPT threads with a buttress thread and a new sealing surface, providing the end user with a leak-free, cleaner and faster connection.