High Speed Steel Extended Twist Drill Bits 2.5mm Drill Dia. 250mm Length 6 Pcs 9.8x9.8x5.9 Inch Constructed of polypropylene plastic and

Constructed of polypropylene plastic and it is waterproof

Drive train components

and aluminum

Safety Instructional Manual:

High Speed Steel Extended Twist Drill Bits 2.5mm Drill Dia. 250mm Length 6 Pcs 9.8x9.8x5.9 Inch Constructed of polypropylene plastic andDescription 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