Features:Applicable for various wood products, wood, MDF, plywood, particleboard, solid wood, artificial wood, etc.The drill bit can be used for the perforation of wood products, such as the installation of spherical door latches, drawer locks, etc.Solid and not easy to break, suitable for platform drilling equipment such as bench drill, vertical drilling machine, CNC carving machine. Note:Please note that this product is not applied to concrete, steel plate, ceramics and glass.Specifications:Bit Shank Material: 45# SteelBit Tip Material: Carbide AlloyColor: Black, SilverDrilling Diameter: 15mm / 0.59 inchDrilling Depth: 54.5mm / 2.15 inchShank Diameter: 8mm / 0.31 inchShank Length: 30mm / 1.18 inchTotal Length: 90mm / 3.54 inchDrilling Diameter: 20mm / 0.79 inchDrilling Depth: 54.5mm / 2.15 inchShank Diameter: 8mm / 0.31 inchShank Length: 30mm / 1.18 inchTotal Length: 90mm / 3.54 inchDrilling Diameter: 25mm / 0.98 inchDrilling Depth: 54mm / 2.13 inchShank Diameter: 8mm / 0.31 inchShank Length: 30mm / 1.18 inchTotal Length: 90mm / 3.54 inchDrilling Diameter: 30mm / 1.18 inchDrilling Depth: 55mm / 2.17 inchShank Diameter: 8mm / 0.31 inchShank Length: 30mm / 1.18 inchTotal Length: 90mm / 3.54 inchDrilling Diameter: 35mm / 1.38 inchDrilling Depth: 55mm / 2.17 inchShank Diameter: 9.5mm / 0.37 inchShank Length: 30mm / 1.18 inchTotal Length: 90mm / 3.54 inchPackage Contents: 5 x Wood Drill Bits with a Wood Box