Set 5 pezzi punte da trapano per muratura - [da 4 mm a 12 mm] gambo esagonale 1/4", punta in metallo duro

APPLICATION:1/4 inch Hex Shank Masonry Drill Bit for most common drills, power drills, hand drills, and bench drills, easy to install and remove, more secure. It can be used for drilling walls, bricks, wood, glass, tiles, stainless steel, concrete, etc.ABOUT THIS PRODUCTS:- Carbide YG6X material, rust-proof and corrosion-resistant- Four-blade design, small incision resistance- The U-shaped groove drill design can effectively remove debris and improve your work efficiencySPECIFICATION:Cutting Diameter: 6mm / 0.24-inch, 6mm / 0.24-inch, 8mm / 0.31-inch, 10mm / 0.39-inch, 12mm / 0.47-inch,Shank Diameter: 6.3mm / 1/4-inchTotal Length: 78mm / 3.07-inch, 78mm / 3.07-inch, 78mm / 3.07-inch, 83mm / 3.27-inch, 85mm / 3.35-inch, 5 x masonry drill bitNOTE:It's recommended to use water to avoid damaging the drilling head.

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