Features 1、[Premium Construction] Our pipe reaming drill bit is crafted from industrial grade tungsten steel alloy with ti coating, ensuring high hardness and long lasting performance. 2、[Versatile Applications] This lifting stepped drill bit is suitable for PPR, TPR and other plastic products, with 15mm to 19mm blade diameter. 3、[High Accuracy] With sharply blade and accurate size, this pipe reaming drill bit ensures high machining accuracy, clean and flat drill hole. 4、[1/4 Inch Hex Shank] The PPR lifting drill bit features 1/4 inch hex shank, compatible with most power tools, allowing for efficient drilling. 5、[Professional Tool] All shank tips are 90 degrees, allowing for sharply and precise countersunking, suitable for various applications. Specification Item Type: Pipe Reaming Drill Bit Material: Tungsten Steel Alloy Features: High Hardness, Hard Wearing Shank Diameter: Approx. 6.35mm / 1/4in Blade Diameter: Approx. 15-19mm / 0.59-0.75in Package List 1 x Pipe Reaming Drill Bit 1 x Storage Box