Profesionales Diamond Bits Wet Diamond Drill Bit for Concrete Escalonadas Para Metal Sea Glass Bits Drill Set Hammer Concrete Drill Carbide 1/2 Drill Bit Mini Metal 6” Hole Saw

U-shaped spiral is smooth and flat and the drilling is smoother. Feature Made of fine quality material low resistance high hardness improving work efficiency. [Standard Drills]: All drills with -cut (four-edged) and double can drill cuttings. The drill is suitable for concrete masonry stone plaster etc. 9PC drill bit Strong toughness and wear resistance can be installed in electric drills. Provides smooth and accurate drilling in tile glass brick wall wood and so on. Material: alloy [Diameter]: 5 6 6 8 8 10 12 14 16 mm; total length: 160 mm per drill bit; drilling depth is 90 mm. You can use it to drill all common pin holes. From ceiling lamps to heavy-duty pins. Easily drill concrete natural stone and all types of masonry [equipped with 2 6mm + 8mm drill bits]: We found that most of these drill bits wear first. These two drill sizes are particularly common. For example when installing ducts sockets sockets [Equipped with a compact packaging box]: As a transparent and practical box is used this kit is suitable for all bit boxes. Therefore it can find a position in every drilling case and you always carry it with you Circle Saw 5 1/2 Saw Sharpener 3 Hole Punch Adjustable Depth Metal Cutting Bits Brocas Metal