| 单词 |
Forstner bit |
| 释义 |
Forstner bit|ˈfɔəstnə(r)| [The name of Benjamin Forstner, who patented the invention in 1874 and 1883 (U.S. patents 155,148 and 280,026).] A type of wood-drilling bit.
1902G. L. Sutcliffe Mod. Carpenter II. 131 (caption) Forstner Auger bit. 1931Reid & Higgins Fund. Woodworking Trades viii. 90 Forstner bits..are guided by their circular rim instead of a spur in the centre... They are especially adapted for delicate work. 1966A. W. Lewis Gloss. Woodworking Terms 8 Forstner bit, bit with a very short centre point and sharp cylindrical rim. |

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