Freud's industrial carbide tipped brad point boring bits are designed for multiple spindle machines. Boring bits are supplied with a 10mm shank with an adjustable top screw making them compatible with most boring machines. Drills all composition materials, solid surface materials, plywoods, hardwoods, and softwoods on automatic or manual multi-spindle boring machines. 35 mm Max Hole Depth, LH Rotation, 10mm Boring Shank, 70 Overall Length (H), 8 mm Cut Diameter Ideal For: Freud's Industrial Carbide Tipped Brad Point Boring Bits are designed for multiple spindle machines. Application: Drills all composition materials, solid surface materials, plywoods, hardwoods, and softwoods on automatic or manual multi-spindle boring machines. Made In Italy.