The gimlet bit is a very outdated design. The bit is similar design as that Utilized in the gimlet, a self-contained Resource for monotonous tiny holes in wood by hand. Considering that about 1850, gimlets have experienced a variety of cutter designs, but some remain produced with the initial Edition. https://drill-bit82604.blogacep.com/39563322/the-definitive-guide-to-drill-bit