12.5mm High Speed Steel Twist Drill Bit with Hex Shank 150mm Length M3x13mmx0.9mm hardened steel and other high-hardness

hardened steel and other high-hardness and difficult-to-machine materials

Christmas tree

Net Weight:57g

Connection Diameter: 15mm to 15mm / 0

If the room temperature is below 5 degrees Celsius first with lamp heating it until soft

12.5mm High Speed Steel Twist Drill Bit with Hex Shank 150mm Length M3x13mmx0.9mm hardened steel and other high-hardnessDescription: 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.