High Speed Steel Extended Twist Drill Bits 3mm Drill Dia. 300mm Length 6 Pcs Engraving End Mills Product Name: Tube Insert

Product Name: Tube Insert

Voltage : 25V

Wall Thickness: 4mm / 0

87" (L*W*T)

4mm thread diameter

High Speed Steel Extended Twist Drill Bits 3mm Drill Dia. 300mm Length 6 Pcs Engraving End Mills Product Name: Tube InsertDescription 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