Spax drill countersink step drill
From our Spax step drill 4, which consists of a 4 mm wood drill and a 6.5 mm countersink, you can quickly and easily mount a perfect drill countersink. Simply put both together and tighten the grub screw in the countersink with the included Allen key. Side effect: This allows the drill countersink to be individually adjusted to your desired drilling depth. The wood drill can also be used individually. This means for you: No annoying change between drill and countersink, extremely time-saving installation of the boards.