Hinge Boring Bits Right Hand 57mm
Right-hand carbide-tipped hinge boring bits (hinge drill bits) with a 57 mm overall length and a 10 mm shank. 18 sizes from 15 mm to 40 mm, listed from smallest to largest. They include 35 mm, the common cup size for concealed hinges.
Left-hand bits of the same length: Hinge Boring Bits Left Hand 57mm.