5Pcs 4.2mm High Speed Steel Twist Drill Bit with Hex Shank 95mm Length 36mm X 38mm Voltage insulation: 1000V

Voltage insulation: 1000V

24 x Bearing Washers

Compatible Power: 280W

Ideal for woodworking

5Pcs 4.2mm High Speed Steel Twist Drill Bit with Hex Shank 95mm Length 36mm X 38mm Voltage insulation: 1000VDescription: 1. 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. 2. Can drill with less force and good radial stability. Easier chip evacuation, better heat dissipation and increased drill durability. 3. Suitable for drilling holes in alloy steel, wood, nonferrous metal, cast iron and hard plastics. 4.