A drill bit with a central point and side cutters, used for boring cylindrical holes.
单词 | θ212292 |
释义 | society > occupation and work > equipment > piercing or boring tools > [noun] > auger or gimlet > for specific shapes (3) centre-bit1746 A drill bit with a central point and side cutters, used for boring cylindrical holes. table-bit1847 a drill bit used to cut the joints of tables. Subcategories:— part of (1) |
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