Precision ground for heavy use and easily sharpened, it can enlarge existing holes with ease and bore any Arc of a Circle.Carbide tip is specially designed to pass through hole cleanly in end grain and thin stock, great for boring concealed hinges and door clocks.Work with an Electric drilling tool (not included).we use the finest industrial quality micrograin carbide to produce very sharp cutting edges and improve cutting resistance.
Overall length: 85mm / 3.3"; material: Tungsten Carbide
Weight: 51G; Package Content: 1 x hinge boring bit
Boring diameter: 14mm / 0.55"; product Name: hinge boring bit
Color: red, Silver Tone
Shank size: 8mm x 69mm / 0.3" x 2.7" (d*l)