Amana - A315108 8mm L/H 57mm Long Brad Point Solid Carbide Dowel Drill Boring BitAmana A315108 8mm L H 57mm Long Brad Point Solid Carbide Dowel Drill Boring Bit Amana's A315108 8mm L H 57mm Brad Point Drill Bit is a precision tool made of solid carbide for maximum durability and reliability. The brad point tip and 118 degree split point make accurate hole starts easy and help reduce walking. This bit also features an extended length for deep hole drilling. Specifications Cut Diameter: 8mm Shank: 10mm Cut Length: 22mm Overall