Specification Brand : Century Drill & Tool BulletPoint1 : U.S. AISI M2 Molybdenum High Speed Steel BulletPoint2 : 135° Split Point BulletPoint3 : Fully Ground from billet blanks BulletPoint4 : Rockwell Hardness: Point C65 Shank C34 BulletPoint5 : Letter Gauge I Drill Bit - 0.272" dia. 4-1/8" len. BulletPoint6 : 20 Screwbits 50mm: 2 x PH1, 5 x PH2, 3 x PH3, 2 x PZ1, 5 x PZ2 and 3 x PZ3 BulletPoint7 : 20 Nut Setters: 5/32”, 3/16”, 7/32”, ¼”, 9/32”, 5/16”, 11/32”, 3/8”, 7/16”, ½”, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13 BulletPoint8 : Plus selection of socket adapters, hole saws, depth stops, hex key wrenches and more BulletPoint9 : Supplied in a durable plastic carry case Color : Red CustomerPackageType : Standard Packaging CuttingAngleString : 135 degrees ExternallyAssignedProductIdentifier : 6919305774353 ExternallyAssignedProductIdentifier1 : 081838116095 ExternallyAssignedProductIdentifier2 : 0081838116095 ExternallyAssignedProductIdentifier3 : 00081838116095 ExternallyAssignedProductIdentifier4 : 0081838735128 ExternallyAssignedProductIdentifier5 : 5899406042746 ExternallyAssignedProductIdentifier6 : 00081838735128 FinishType : Silver GpsrSafetyAttestation : 1 HandOrientation : Both Hands IncludedComponents : HSS Drill Bit ItemDisplayDimensions_Height : 1 inches ItemDisplayDimensions_Length : 1 inches ItemDisplayDimensions_Width : 1 inches ItemName : Century Drill & Tool 11609 Letter Gauge Drill Bit, Size I ItemPackageDimensions_Height : 17 centimeters ItemPackageDimensions_Length : 0.8 centimeters ItemPackageDimensions_Width : 4.4 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : jobber-drill-bits Manufacturer : Century Drill & Tool Material : High Speed Steel MfgSeriesNumber : 73512 ModelNumber : 11606 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 2 PackageLevel : unit PartNumber : 11609 ProductDescription : Handle precision metal drilling with ease using this 50-piece M35 Cobalt Drill Bit Set, expertly crafted for durability and high performance. Made from M35 grade high-speed steel with 5% cobalt, these bits are heat-resistant, wear-resistant, and designed to power through tough materials like stainless steel, cast iron, and hardened alloys.
This set includes 10 pieces each of 5 popular metric sizes (1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm), ensuring you always have a replacement on hand for high-use bits—ideal for workshop, professional, and DIY use.
Each bit features a fully ground body and dual twist flute for smooth chip ejection and clean cutting. The straight shank with chamfered end ensures a secure, wobble-free grip, while the sleek bronze finish adds corrosion resistance and a professional look.
Perfect for repeat drilling in precision tasks, this compact and reliable set is a must-have for machinists, fabricators, and hobbyists working with metal or other hard materials.