The gimlet bit is a very old design. The little bit is similar type as that Utilized in the gimlet, a self-contained Device for uninteresting little holes in wood by hand. Because about 1850, gimlets have had several different cutter patterns, but some remain made with the original version. Nowadays, https://drillbitsupplier48260.blogdemls.com/34191293/not-known-facts-about-drill-bit-manufacturer