4.9mm Drilling Dia HSS Cobalt Metric Spiral Twist Drill Bit Rotary Tool 6pcs Pneumatic PU Tubing TV Wall Mounting

TV Wall Mounting

Position : 3

Head Thickness: 1

sorting machine

4.9mm Drilling Dia HSS Cobalt Metric Spiral Twist Drill Bit Rotary Tool 6pcs Pneumatic PU Tubing TV Wall MountingThis product is made of high speed steel and cobalt material. After using full grinding process, it has stronger cutting ability and longer service life. Suitable for processing non ferrous metals (such as copper and aluminum), non metallic and ferrous metals (such as iron, steel and stainless steel). Straight shank works in both keyed and key less drill chucks. The advantages of full grinding drill bit: High geometric precision, strong cutting