High Speed Steel Extended Twist Drill Bits 9.5mm Drill Dia. 200mm Length 2 Pcs 16 To 20mm L55xD40 OD: 71mm / 2

OD: 71mm / 2

Gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular black surface

for BMW 550i 2009-2013

for Dualis +2 2007-2013

* With electroplate finish

High Speed Steel Extended Twist Drill Bits 9.5mm Drill Dia. 200mm Length 2 Pcs 16 To 20mm L55xD40 OD: 71mm / 2Description 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