Specification Brand : NDNCZDHC BulletPoint1 : Spiral Chip Removal Design: The drill bit features a spiral chip removal design, facilitating efficient chip removal, fast cutting, and enhanced drilling performance. BulletPoint2 : High-Speed Steel Materials: Constructed from high-speed steel, the drill bit offers excellent hardness, strength, and not easy to wear. BulletPoint3 : Fine Workmanship: With precise craftsmanship, the cutting edges is finely ground and sharpened, ensuring the ability to meet various cutting accuracy requirements. BulletPoint4 : 118° Angle Design: The 118° angle design enables quick and accurate hole drilling, significantly reducing both time and effort. BulletPoint5 : Wide Range of Uses: This metal drill bit is suitable for a variety of materials, including iron, aluminum, copper, stainless steel, high-speed steel, manganese steel, and other quenched steel parts. Color : 30mm ExternallyAssignedProductIdentifier : 7038957512171 ItemName : NDNCZDHC Drill Bit, 28mm Diameter High Speed Steel Drill Bit with 1/2in Straight Shank, for Iron, Aluminum, Copper ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 15 centimeters ItemPackageDimensions_Width : 3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : long-length-drill-bits Manufacturer : NDNCZDHC ModelName : Jauartamgpwsrqz6x ModelNumber : NDNCZDHCye6kgh2gwz NumberOfItems : 1 NumberOfPieces : 1 PartNumber : NDNCZDHCye6kgh2gwz ProductDescription : Item Type: Drill Bit Product Material: High Speed Steel Blade Diameter: Approx. 28mm / 1.1in Uses: Suitable for Iron, Aluminum, Copper, Stainless Steel, High Speed Steel, Manganese Steel, Various Quenched Steel Parts