Feature:1. HSS Material: Meticulously crafted from industrial grade high carbon steel, this drill bit with a ti coating offer exceptional durability and unmatched longevity for all your drilling needs.2. Wide Compatibility: Designed to fit a variety of power tools, these drill bits are sturdy, practical, and have excellent chip removal capabilities to prevent slipping.3. Incisive Edge and High Accuracy: With accurate sizing and incisive cutting edges, our drill bits create clean and smoothly boreholes with stable and accurate drilling.4. Professional Design: Featuring a 1/4 inch hex shank, this drill bit is suitable for most electric tools. The 90 degree angled tips allow for accurate and incisive countersinking.5. Versatile Usage: Ideal for drilling holes in PPR plastic products and other materials, our drill bits deliver outstanding performance for a range of applications.Specification:Item Type: 1/4in Hex Shank Countersink Drill BitMaterial: High Speed SteelFeatures: High hardness, not easy to wearCutting Diameter: Approx. 18 to 24mm / 0.71 to 0.94inShank Diameter: #25.Package List:1 x Drill bit