Specification Brand : ZLYY BulletPoint1 : Made of m35 steel, includes 5% cobalt, high hardness, stable performance BulletPoint2 : 135-degree split-point tip starts drilling immediately with less force and eliminates BulletPoint3 : Ideal for drilling on stainless steel, cast iron, sheet metal, steel plate, angle iron BulletPoint4 : With high surface finish, high grinding precision , the blade is sharp and durable in use BulletPoint5 : It is widely used in the drilling of stainless steel plate, automobile spring steel and die steel CuttingAngleString : 135.0 degrees ExternallyAssignedProductIdentifier1 : 730964511785 ExternallyAssignedProductIdentifier2 : 0730964511785 ExternallyAssignedProductIdentifier3 : 00738226014210 FinishType : Polished GpsrSafetyAttestation : 1 IncludedComponents : IVY Classic 01421 No. 21 Wire Gauge Drill Bit, M2 High-Speed Steel, 135-Degree Split Point, 12-Pack ItemName : M35 HSS Cobalt Drill Bit, 2.5mm Diameter Twist Drill bits, Split Point for Drilling Metal Steel Aluminum 10Pcs ItemPackageDimensions_Height : 7.8 centimeters ItemPackageDimensions_Length : 0.8 centimeters ItemPackageDimensions_Width : 4.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : jobber-drill-bits Manufacturer : ZLYY Material : Cobalt Steel ModelNumber : 01421 NumberOfItems : 12 NumberOfPieces : 10 PartNumber : 01421 ProductDescription : Specification: Product Name: Twist Drill Bit Shank Diameter: 2.5mm / 0.09'' Total Length: 56mm / 2.2" Flute Length: 30mm / 1.18" Bit Diameter: 2.5mm / 0.09'' Material: M35 Cobalt Steel Weight: 29g Features: M35 Cobalt High Speed Steel for Drilling Steel, Stainless Steel, Hard Metal and Iron. Ideal for drilling in tough metal, including heavy-duty abrasive alloy metal drilling on hardened steel. 135-degree split-point tip starts drilling immediately with less force and eliminates "walking" across the work surface. 10pcs packed in a plastic box for easy usage and store.