Drill Bit Small 34×320 Medium 68×640 Large 109×1024 Download Tiff Original 256×2400 | (317.0 KB) Description A tool used for boring holes in metal, stone, wood, or an other hard substance. Keywords lever, mining, spiral Galleries Woodworking Tools Source: William & Robert Chambers Encyclopaedia - A Dictionary of Universal Knowledge for the People (Philadelphia, PA: J. B. Lippincott & Co., 1881)
