4.9mm Drilling Dia HSS Cobalt Metric Spiral Twist Drill Bit Rotary Tool 6pcs Pneumatic PU Tubing NOTE: Please clean all the

NOTE: Please clean all the items once the painting is finish to extend product’s life

Position : 3

Head Thickness: 1

can reduce your hand fatigue

Scope of application: vehicle

4.9mm Drilling Dia HSS Cobalt Metric Spiral Twist Drill Bit Rotary Tool 6pcs Pneumatic PU Tubing NOTE: Please clean all theThis 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