High Speed Steel Extended Twist Drill Bits 6.5mm Drill Dia. 300mm Length 2 Pcs 4mm X 0.5mm Descriptions: Carbide end mill cutter

Descriptions: Carbide end mill cutter is high hardness

Packing List: 1 Set - 1 x Backdraft Damper

M6 thread (6mm threaded hole) and 20mm length barrel nuts

Suit PVC Pipe:18-20mm

High Speed Steel Extended Twist Drill Bits 6.5mm Drill Dia. 300mm Length 2 Pcs 4mm X 0.5mm Descriptions: Carbide end mill cutterDescription 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