The gimlet bit is an extremely outdated design and style. The bit is identical model as that Employed in the gimlet, a self-contained Instrument for dull little holes in wood by hand. Since about 1850, gimlets have experienced various cutter styles, but some are still made with the original Edition. https://drill-bit-manufacturer20617.activoblog.com/37495368/how-much-you-need-to-expect-you-ll-pay-for-a-good-drill-bit