Burr (cutter)

（重定向自Rotary file）

Burrs (sometimes called rotary files) are small cutting tools used in die grinders, rotary tools, or dental drills. The name may be considered appropriate when their small-sized head (3 mm diameter shaft) is compared to a bur (fruit seed with hooks) or their teeth are compared to a metal burr.

单词	Rotary file
释义	Rotary file 英语百科 Burr (cutter) （重定向自Rotary file） Burrs (sometimes called rotary files) are small cutting tools used in die grinders, rotary tools, or dental drills. The name may be considered appropriate when their small-sized head (3 mm diameter shaft) is compared to a bur (fruit seed with hooks) or their teeth are compared to a metal burr.
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