1pcs 13.5-30mm High Speed Steel M35 5% Cobalt Drill Bit, 1/2 Inch Reduced Shank Twist Drill Bit for Stainless Steel Alloy Metal Plastic(23mm)

Size: 13.5mm,14mm,14.5mm,15mm,15.5mm,16mm,16.5mm,17mm,17.5mm,18mm,18.5mm,19mm,19.5mm,20mm,20.5mm,21mm,21.5mm,22mm,22.5mm,23mm,23.5mm,24mm,24.5mm,25mm,26mm,27mm,28mm,29mm,30mmReduced Shank.Smooth surface to reduce friction, sharp blade for fast drilling hole.Metal drill bit set for the professional machining of alloyed and mild steel, stainless steel , grey cast iron, cast steel, acid and heat-resistant steelsMeterial: High speed steel + 5% M35 Cobalt Package Including:1pcs Twist Drill Bit

• The drill is made of high quality high speed steel with excellent hardness and abrasion resistance, after special process, the drill can keep sharp for a long time and prolong its service life.
• The drill adopts Reduced Shank design, which is easy to operate in narrow or restricted space, and improves drilling accuracy and efficiency.
• The twist drill structure, with two helical cutting edges, can smoothly discharge the cutting chips, and also makes the drill more stable during the drilling process, reducing vibration and noise.
• The surface of the drill is polished, smooth and burr-free, easy to install and remove.
• Suitable for drilling operations in a wide range of materials, including wood, plastic, metal (such as steel, aluminum alloy, etc.).