Kreg 35 mm carbide-tipped concealed hinge bit, the same bit that comes with the Kreg Concealed Hinge Jig. It has four carbide cutters: two large cutters for a smooth, flat-bottomed hole and two spur cutters that shear the sides cleanly for a straight, smooth hinge cup. Stop collar not included.
Kreg 35 mm carbide-tipped concealed hinge bit, the same bit that comes with the Kreg Concealed Hinge Jig. It has four carbide cutters: two large cutters for a smooth, flat-bottomed hole and two spur cutters that shear the sides cleanly for a straight, smooth hinge cup. Stop collar not included.