GodHand - GH-SB-11-14 Bit Blade Set Flat Blade

Drill bit set of 4: 1.1mm, 1.2mm, 1.3mm, 1.4mm

You can make a flat bottom hole by drilling with Spin Blade.

Required pre-drilling of a corresponding size drill to create a pilot hole before using this drill bit.

Not only for making flat bottom hole, but also can use as precision chisels