filière (outil) -> taps and dies, screw plate

Frederique

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filière (outil) -> taps and dies, screw plate (?)

Une filière est un outil utilisé pour réaliser des filets sur une tige de matière variable (métal, plastique, bois, etc.) afin de réaliser une tige filetée. Une filière s'utilise avec un porte-filière.
Wikipédia

Screw plate, a device for cutting threads on small screws, consisting of a thin steel plate having a series of perforations with internal screws forming dies.
http://dictionary.die.net/screw%20plate



Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the mating pair (e.g., a screw). The process of cutting threads using a tap is called tapping, whereas the process using a die is called threading. Both tools can be used to clean up a thread, which is called chasing.
Wikipedia

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