5Pcs 5.2mm High Speed Steel Twist Drill Bit with Hex Shank 104mm Length OD 56.1mm to ID 54.1mm Body Material: Plastic

Body Material: Plastic

Diameter: 127 mm / 5 Inch

and ceramic

30 Pcs x Angle Bracket

5Pcs 5.2mm High Speed Steel Twist Drill Bit with Hex Shank 104mm Length OD 56.1mm to ID 54.1mm Body Material: PlasticDescription: 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.