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Ô­ÎÄCracks begin at corner toward horizontal due to lift force from die taper.
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Cracks begin at corner toward horizontal due to lift force from die taper.
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¹ØÓÚTap ºÍ die
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.
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