Description:

Specification: Shank: 1/4-inch Hex; Drill Diameter: 5.5mm / 0.22-inch; Total Length: 113mm / 4.45-inch; Drill Bit Length: 56mm / 2.2-inch; 20 x Twist Drill Bits. Material: Made of high speed steel with dual coating of gold titanium and black nitride for better lubrication, smoother drilling. Increase the hardness of the drill, with good wear resistance and durability.. 135-degree Split Point Tip Design: Can drill with less force and good radial stability. Easier chip evacuation, better heat dissipation and increased drill durability.. Application: Suitable for drilling holes in alloy steel, wood, nonferrous metal, cast iron and hard plastics. Quick Change: Compared with the ordinary drill, with a quick change hexagonal handle, handle diameter 6.35mm (1/4 "), fixture is more stable, more convenient to replace..