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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