Here’s a better gadget that can quick flip between a countersinking drill bit and a bit driver. It’s modular, adjustable, maintainable, repairable: https://ww

Here’s a better gadget that can quick flip between a countersinking drill bit and a bit driver. It’s modular, adjustable, maintainable, repairable: https://www.montanabrandtools.com/products/modular-drill-and-driver https://www.montanabrandtools.com/products/modular-drill-and... If you’re doing large amounts of countersink fastening into hardwood (where self-piloting will split and self-countersinking will splinter) then you’ll go through drivers and drills real fast.