High Speed Steel Extended Twist Drill Bits 5mm Drill Dia. 300mm Length 2 Pcs 8mmx5mm 91inch(D*L)

91inch(D*L)

Window door connecting plate: 250mm / 9

The brass connector is corrosion-resistant

and wear resistance

Size (approx): 190mm x 50mm / 7

High Speed Steel Extended Twist Drill Bits 5mm Drill Dia. 300mm Length 2 Pcs 8mmx5mm 91inch(D*L)Description 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