Specification Brand : MBHALBY BulletPoint1 : Internal cooling: During drilling, the coolant automatically flows out from the inside of the drill bit BulletPoint2 : External cooling: When drilling holes, external cooling is required, and external water nozzles or cola kettles can be used for watering BulletPoint3 : Item Height : 12MM BulletPoint4 : Item Width : 16MM BulletPoint5 : Item Length : 17MM BulletPoint6 : Manufacturer Part Number : 06009999, 0840015, 23750, 3142380000, 501437, RXC60388, 17110141325 Color : External Cooling Department : Unisex Adult ExternallyAssignedProductIdentifier : 7038951440081 ItemName : MT2 MT3 MT4 3/4Inch 19.05mm Collet Chuck Magnetic Drill Hollow Drill Bit Holder Adapter for Metal Working(External Cooling,MT3-19.05mm-50) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : coolant-hole-turning-holders Manufacturer : MBHALBY ModelName : MBHALBY ModelNumber : MBHALBY NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PartNumber : MBHALBY ProductDescription : Internal cooling: During drilling, the coolant automatically flows out from the inside of the drill bit External cooling: When drilling holes, external cooling is required, and external water nozzles or cola kettles can be used for watering ProductSiteLaunchDate : 2025-02-07T13:49:46.154Z Size : MT3-19.05mm-50 UnitCount : 1 UnspscCode : 27112800