Universal Drilling Tool 5pcs, Cross Alloy Drill Bit,black

Size:3/4/5/6/7mm(5pcs).This woodworking drill bit includes 5 sizes, different sizes can meet your different drilling needs.Good Quality: This drill bit set for wood is made of high quality alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness ultimate drill bits.Professional craftsmanship:Full-grinding and anti-rust treatment, clean and sharp without burrs .The drill bit is more wear-resistant and more durable.Advantages:Small incision resistance feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily. ,Glass Drill Bit.Concrete Drill Bit Set: Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plate, mirrors and glass. Remember to add Water or coolant when drilling.colour: blackMaterial: AlloyPackage Contents:5 x Drill BitsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.