Specification Brand : OXMUL BulletPoint1 : 【Extra-Heavy Duty for Stainless Steel】 The M35 Cobalt Drill Bits(1.3243 STEEL) can drill 5X longer life and 2X faster. This Cobalt Drill bits is heavy duty for Stainless Steel, Metal, Galvanized Steel, Aluminum,Iron, Wood, PVC and Copper. This steel drill bit is tough,sharp and can drill many holes on hard metal like a Work Horse! BulletPoint2 : 【LARGE Step Drill Bit︱M35 Cobalt Step Drill】 Prefect for Stainless Steel/Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. This Drill bit can successfully drill more and more holes easily into Stainless Steel plate like knife through butter BulletPoint3 : 【A Work Horse 13Holes】This straight shaped step bit is a work horse. Easily drilled through the steel platform of your mower, cold rolled steel, lug bolt, old rack, iron rotors, tractor bucket, washer, heavy steel loader bucket was made for a tractor, hydroponics tubing,water pipe, cabinet BulletPoint4 : 【13 Sizes︱2-Straight-Flute︱3/8" Tri-Shank】 13 steps: from 3/16",1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", to 1-5/8". 2-Straight-Flute:Clears Chips faster BulletPoint5 : Large Step Drill Bit(1-5/8inch) /Extra-HEAVY DUTY for SS / M35 COBALT Drill / 13Holes (1/4"~1-5/8") / 3/8" Tri-Shank/ Two Straight-Flute Color : Multi CustomerPackageType : 1 CuttingAngleString : 135 degrees Department : unisex-adult ExternallyAssignedProductIdentifier : 6345319844834 ExternallyAssignedProductIdentifier1 : 008925144649 ExternallyAssignedProductIdentifier2 : 0008925144649 ExternallyAssignedProductIdentifier3 : 00848238002867 FinishType : Titanium GpsrSafetyAttestation : 1 ImportDesignation : Made in the USA or Imported IncludedComponents : a 1-5/8 inch step drill bit ItemName : OXMUL Large Step Drill Bit for Steel, 1-5/8"(Pro) 13Holes, M35 Cobalt Drill Bits, Extra-Heavy Duty for Stainless Steel, Hard Metal, Aluminum, Wood, Two-Straight Flute 13-Steps. Co158Z ItemPackageDimensions_Height : 12.5984 centimeters ItemPackageDimensions_Length : 5.4102 centimeters ItemPackageDimensions_Width : 5.588 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : step-drill-bits Manufacturer : Navigator Hardware Material : Cobalt Steel ModelName : DSD0750S09 ModelNumber : Co158Z NumberOfBoxes : 1 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 10 PackageLevel : unit PartNumber : Co158Z Pattern : Solid ProductDescription : SPECIFICATION: Rank:Industrial Grade Duty: Extra Heavy-Duty Size:1/4--1-5/8 inch, 13-Holes Manufacturer No.: Co158Z Material Steel:M35 Cobalt STEEL 7%Cobalt Increments:1/5 inches Shank:3/8" Tri-Flat shank Flute:2-Straight-Flute Apply to:Stainless Steel, Hard Metal, Aluminum, Wood, Copper