Specification Brand : Garosa BulletPoint1 : [ Hardness] Made from high carbon steel with ti plating and high-temperature quenching, these bits offer enhanced hardness and a longer lifespan. BulletPoint2 : [Precision Drilling] Featuring a 90-degree tip angle, these drill bits deliver sharp, precise countersinking for a clean finish. BulletPoint3 : [Versatile Use] Designed for ppr and plastic pipes, these drill bits are suitable for hole opening, reaming, and various other tasks. BulletPoint4 : [Superior Concentricity] High concentricity ensures accurate pipe reaming with no deviation, simplifying pipe connections. BulletPoint5 : [Complete Set] This kit includes 6 sizes for versatile use on water pipes, ensuring you have the right tool for the job. CuttingAngleString : 135.0 degrees ExternallyAssignedProductIdentifier1 : 887861244688 ExternallyAssignedProductIdentifier2 : 0887861244688 ExternallyAssignedProductIdentifier3 : 00887861244688 FinishType : Uncoated HandOrientation : Right IncludedComponents : Fractional Drill Bit ItemName : 6 Pcs PPR Lifting Stepped Drill Bit Set 20 25 32 40 50 63mm 1/4 Inch Hex Shank Spiral Expansion Drill Bit, Accurate Drilling, High Concentricity, Upgraded Hardness ItemPackageDimensions_Height : 8 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 16 centimeters ItemPackageQuantity : 1 ItemShape : Drill Bits ItemTypeKeyword : step-drill-bits Manufacturer : Garosa Material : Carbide Material1 : Stainless Steel Material2 : Cobalt Material3 : Alloy Steel MfgSeriesNumber : CBD ModelNumber : Garosaxoapmzdy6q NumberOfFlutes : 2 NumberOfItems : 1 PartNumber : Garosaxoapmzdy6q ProductDescription : Specification: Item Type: PPR Lifting Stepped Drill Bit Material: High carbon steel Coating: Ti plated Shank Diameter: 1/4 inch hex shank (6.35mm) Specification: Approx. 20mm / 0.79in, 25mm / 0.98in, 32mm / 1.26in, 40mm / 1.57in, 50mm / 1.97in, 63mm / 2.48in Use: Drilling, reaming, limit drilling Features: Can be used to ream in situations where pipe fittings cannot be replaced, spiral design, fast speed, no deviation, smoothly Application: Hand drill 600W, lithium drill 20V etc. (Do not use with shortage of power)