bit is designed specifically for drilling and expanding holes in PPR pipes, ensuring quick and accurate operations. Suitable for various tube materials, including PPR, PVC, and plastics. The drill bit features a high concentricity design that ensures the expanded hole is perfectly round and aligned with the existing pipes, providing a tight connection when joining pipes.【Premium High-Speed Steel Construction】: Crafted from premium high-speed steel material, the drill bit provides high toughness and hardness. The material ensures quick drilling while maintaining shape and sharpness, ensuring longevity and dependable performance.【Ti-Coated for Enhanced Durability】: The cutting edges are treated with Ti-coating to prolong the lifespan of the tool and ensure consistent performance over time, increasing the drill bit's resistance to wear and corrosion. 【Smooth Chip Evacuation】: The inventive design of the spiral chip removal grooves facilitates a superior chip evacuation effect, minimizing obstructions and frictions, optimizing drilling speed, and extending the tool's lifespan even in challenging environments.【Universal Hexagonal Shank Compatibility】: The hexagonal shank fits securely into a variety of power tools, including hand drills, cordless drills, and lithium-ion powered drills, making it adaptable for both professional and home improvement projects. It is an essential tool for plumbers and DIY enthusiasts performing hole expansion tasks. Specifications:Name: Spigot ReamerMaterial: high-speed steelShank diameter: 6.35mm / 0.25inchItem size:20mm: 20 * 20 * 63mm / 0.79 * 0.79 * 2.48in25mm: 25 * 25 * 63mm / 0.98 * 0.98 * 2.48in32mm: 32 * 32 * 63mm / 1.26 * 1.26 * 2.48inPackage size: 120 * 60 * 60mm / 4.72 * 2.36 * 2.36inPackage weight: 235g / 8.29ounce Packing List:3 * Spigot Reamer