Specification Brand : HARFINGTON BulletPoint1 : Size - Drill Diameter: 12mm / 1/2"; Shank Diameter: 6.35mm / 1/4"; Working Length: 77mm / 3.03"; Total Length: 120mm / 4.72"; Shank Type: Hexagonal Shank; Package Content: 2pcs Drill Bits Set. BulletPoint2 : Material - The drill bit is made of high carbon steel material, with high hardness, is not easy to deform, and has a long service life. The surface is blackened and treated, with strong corrosion resistance, and it is not easy to rust even in a humid environment. BulletPoint3 : Feature - The centering design ensures accurate positioning of the holes, stable perforation, and improved working accuracy. The spiral groove design can effectively discharge wood chips and avoid blockage. The hexagonal handle design facilitates installation and removal using various power tools or manual wrenches, increasing the convenience and diversity of operation. BulletPoint4 : Application - The wood drill bit is suitable for drilling and positioning on various wood surfaces, including softwood, hardwood, density board, particle board, plastic, rubber, polyurethanes, and other soft materials. It can meet the drilling needs of furniture manufacturing, building decoration, woodworking decoration, and other occasions. BulletPoint5 : Notice - The brad point drill bits cannot be used on metal materials, walls, rocks, glass, or concrete. And for security reasons, take care of your safety when using the drill bits and please keep the drill bits away from children. CuttingAngleString : 82 degrees ExternallyAssignedProductIdentifier1 : 081838372187 ExternallyAssignedProductIdentifier2 : 0081838372187 FinishType : Gold GpsrSafetyAttestation : 1 IncludedComponents : Drill Bit ItemName : HARFINGTON 2pcs Brad Point Drill Bits Set 1/2" Dia High Carbon Steel Spiral Wood Twist Drill Bits with 1/4" Hex Shank for Drilling Softwood Hardwood Composite Wood MDF Plywood Particleboard ItemPackageDimensions_Height : 14.2 centimeters ItemPackageDimensions_Length : 1.3 centimeters ItemPackageDimensions_Width : 10.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : brad-point-bits Manufacturer : HARFINGTON Material : High Speed Steel ModelNumber : 37218 NumberOfFlutes : 2 NumberOfItems : 2 NumberOfPieces : 2 PackageLevel : unit PartNumber : hta241210hh002042 ProductDescription : The drill bit is made of high carbon steel material, with high hardness, is not easy to deform, and has a long service life. The surface is blackened and treated, with strong corrosion resistance, and it is not easy to rust even in a humid environment. The centering design ensures accurate positioning of the holes, stable perforation, and improved working accuracy. The spiral groove design can effectively discharge wood chips and avoid blockage. The hexagonal handle design facilitates installation and removal using various power tools or manual wrenches, increasing the convenience and diversity of operation. The wood drill bit is suitable for drilling and positioning on various wood surfaces, including softwood, hardwood, density board, particle board, plastic, and other materials. It can meet the drilling needs of furniture manufacturing, building decoration, woodworking decoration, and other occasions. The brad point drill bits cannot be used on metal materials, walls, rocks, glass, or concrete. And for security reasons, take care of your safety when using the drill bits and please keep the drill bits away from children.