High Speed Steel Extended Twist Drill Bits 3mm Drill Dia. 300mm Length 6 Pcs Engraving End Mills bent or broken cross-head screwdriver

bent or broken cross-head screwdriver bits

Installing Tool You can choose(Not included here):

Total Length: 117mm/4

87" (L*W*T)

High Speed Steel Extended Twist Drill Bits 3mm Drill Dia. 300mm Length 6 Pcs Engraving End Mills bent or broken cross-head screwdriverDescription 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