High Speed Steel Extended Twist Drill Bits 2.5mm Drill Dia. 300mm Length 4 Pcs 40mmx80mmx18mm Connected with 10mm outer diameter

Connected with 10mm outer diameter tube

Features: OE Number: 4676589

Model: KF40

Total Height: 68

1-inch (L*W)

High Speed Steel Extended Twist Drill Bits 2.5mm Drill Dia. 300mm Length 4 Pcs 40mmx80mmx18mm Connected with 10mm outer diameterDescription 1. Made of high speed steel. HSS(High Speed Steel) enables the drill body harder and can keep a longer drilling life. 2. With the twisted design, it can improve cutting accuracy by centering the tip. It can avoid displacement of the drill bit during work, and at the same time remove debris and particles faster and easier. 3. Suitable for processing non ferrous metals, such as copper and aluminum, and also suitable for hard plastics. When