Specification Brand : WildBossy BulletPoint1 : 【5% COBALT TWIST DRILL BITS SET】Made from M35 Cobalt Steel with Molybdenum and Cobalt added to form a hardened alloy, can measure up to 67 Rockwell hardness, cut faster, last longer, and last longer than normal HSS drill bits 12 times. BulletPoint2 : 【SIZE】1/16x2, 5/64x2, 3/32x2, 7/64x2, 1/8x2, 9/64, 5/32, 11/64, 3/16x2, 7/32, 1/4, 5/16, 3/8, 1/2 inch bits; Comes in plastic storage case for easy storage BulletPoint3 : 【TWIST DESIGN AND PERFORMANCE】Precise 135° SPLIT Point, Ti Surface and 3-Flat Shank. Prevents walking and removes chips and particles faster. Precision fully ground to ensure smooth chip movement. BulletPoint4 : 【PROFESSIONAL AND WIDELY USED】M35 Cobalt High Speed Steel is more suitable for hardening materials. Ideal for cutting stainless steel, steel and cast iron as well as wood, aluminum alloys and other metals. Not suitable for glass or ceramic materials. Pay attention to speed, pressure and heat control when drilling. BulletPoint5 : 【SERVICE】If you have any problem with our metric drill bit set or are not satisfied with the product, please feel free to contact WildBossy. Color : Black CustomerPackageType : Standard Packaging CuttingAngleString : 135 degrees ExternallyAssignedProductIdentifier1 : 4009312386808 ExternallyAssignedProductIdentifier2 : 04009312386808 ExternallyAssignedProductIdentifier3 : 0885911248556 ExternallyAssignedProductIdentifier4 : 0028874016910 ExternallyAssignedProductIdentifier5 : 00885911248556 FinishType : Titanium GpsrSafetyAttestation : 1 IncludedComponents : Drill bit set IncludedComponents1 : *7/64IN 135 SPLTPT BLKOX IncludedComponents2 : *7/64IN 135 SPLTPT BLKOX IncludedComponents3 : *7/64IN 135 SPLTPT BLKOX IncludedComponents4 : *7/64IN 135 SPLTPT BLKOX IncludedComponents5 : *7/64IN 135 SPLTPT BLKOX ItemDisplayDimensions_Height : 1 millimeters ItemDisplayDimensions_Width : 1 millimeters ItemName : M35 Cobalt Drill Bit Set 20PCS(1/16"-1/2") High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal with Index Storage Case ItemPackageDimensions_Height : 16.9926 centimeters ItemPackageDimensions_Length : 5.4102 centimeters ItemPackageDimensions_Width : 10.9982 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : jobber-drill-bits Manufacturer : WildBossy Material : Cobalt Steel (also known as Co 5% HSS) Material1 : Blend Material2 : Blend Material3 : Blend Material4 : Blend Material5 : Blend ModelName : 11700 ModelNumber : M35 NumberOfFlutes : 2 NumberOfItems : 20 NumberOfPieces : 1 PackageLevel : unit PartNumber : YZZT-004 Pattern : Solid ProductDescription : Suitable for drilling stainless steel, hard metal, aluminum, copper, plastic and hardwood. The 3-step design enables accurate centering, suitable for woodworking operations requiring precision drilling. In addition, the cobalt design allows it to perform better in hardwood boreholes. Control the bit speed from 200 to 1000 RPM, making it easier to drill in stainless steel. High RPM does not improve drilling efficiency, but rather increases the heat between the bit and the workpiece, which may cause the bit to soften and the workpiece to harden. Drill bit diameter ≤5mm, speed (1000~700)5-10mm, speed (700~350)10-15mm, speed (350~202) use cutting fluid to make the drill bit more durable. Stainless steel tapping oil or engine oil is added to prevent the stainless steel from overheating and forming a very hard oxide layer. ProductSiteLaunchDate : 2024-04-18T04:09:56.857Z Size : (1/16"-1/2")20PCS Style : Classic SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Metal UnitCount : 20 UnspscCode : 27111700