Tungsten Carbide Thread Insert
- Details
- Category: Tungsten Information
- Published on Friday, 29 May 2020 16:19
Do you know what the English letters and numbers in the model of tungsten carbide thread insert mean? Let's take 17NR8-3RD as an example to understand the type of a tungsten carbide thread insert.
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In the picture above:
① — Indicates the blade geometry and size, and its value is the positioning side length of blade.
② — Indicates the characteristics of blade threads, wherein, N represents the internal thread insert, and E represents the external thread insert.
③ — Indicates the threading characteristics of the machining thread, wherein, R represents the right-hand thread, and L represents the left-hand thread.
④ — Indicates the number or type of threads processed by the blade, for example, 8 is indicating the processing of 8 threads per inch, taper 1:16 round thread of petroleum tubing and casing.
⑤ — Indicates the number of blade teeth. If it is a set of blades, the numbers 1, 2, 3 ... are added to indicate the number.
⑥ — Indicates the shape characteristic of the blade thread, RD represents the round thread, P represents the blade used for PMC machine tools, and so on.
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