Professional Drill Bits,16.1mm 16.2mm 16.3mm 16.4mm 16.5mm HSS Reduced Straight Crank Twist Bit Shank Dia 12.7mm 1/2 Inch 16.1 16.2 16.3 16.4 16.5 (Size : 16.3mm)(Size:16.1mm)

Use: Metal DrillingMaterial: High Speed SteelModel Number: StandardDIY Supplies: MetalworkingType: Twist Drill BitShank Diameter: 1/2" about 12.7mm

• High heat resistance for tough metal drilling
• This bit for the Hard Brittle Ceramic Materials such as ceramics,tiles,Marble,Concrete, glass, alu, metal sheet and oncutting hard metals, hard plastics and wood, but also for soft materials
• Straight shank design is more suitable for many electric drills and drilling machines.
• We pride ourselves in providing the best quality drill bits for over 30+ years. From drilling wood & tiles to masonry we're happy to be your professional choice!
• Good performance, making clean and accurate holes for you. A set of glass drills that are very easy to work with.nce,feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily