From the Manufacturer
Bosch Power Tools and Accessories is one of the divisions within the Robert Bosch Tool Corporation, which is one of the largest power tool and accessory manufacturers in the world. Bosch provides a complete line of corded and cordless power tools and accessories engineered to survive any jobsite and allow professionals to take control of their work.
Carbide-tipped boring bits for European type hinges feature a centering point, two outside scoring teeth and two straight cutting teeth.
Carbide-tipped twist hinge boring bits feature a centering point and outside scoring tips
They utilize a 10 mm shank with a locking flat and adjustable top screw for automatic and semi-automatic boring machines.