Specification Brand : LUTRZPVT BulletPoint1 : Combination Drill & Taps BulletPoint2 : Features: BulletPoint3 : 1. Large diamter bits with smaller shanks to enable use in standard drill chucks. BulletPoint4 : 3. Small resistance, smooth chip removal, smooth cutting surface, no residue, with good machinability, it can tap to the button of blind hole. BulletPoint5 : 4. Flexible to be use, processing efficiency, good stability, safe and reliable, widely used, low processing cost, can be applied to a variety of jobs. BulletPoint6 : 5. 1 step drill can be used as 1 box of drill bit. BulletPoint7 : 6. Working with water cooling, can effectively extend the service life of bit,drilling speed 250--400 recommended.Widely used to cut holes ina variety of material like thin steel board, wood, thin iron, aluminum alloy,insulation boards, PVC sheet,ect. Color : 1pc Adapter ExternallyAssignedProductIdentifier : 7375609362778 ItemName : Adapter for Reduced Shank Drill Bit Twist Drill Bit Joint Hole Metal Drill Adapter Tool 1Pcs ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : combination-drill-and-taps Manufacturer : LUTRZPVT ModelNumber : LUTRZPVT NumberOfItems : 1 NumberOfPieces : 1 PartNumber : LUTRZPVT ProductDescription : Combination Drill & Taps Adapter For Reduced Shank Drill Bit Twist Drill Bit Joint Hole Metal Drill Adapter Tool 1Pcs