Specification Brand : Qualtech BulletPoint : Size: 1-1/64, Material: High Speed Steel, Finish: Black Oxide, Flute Length: 6-1/2, Overall Length: 11-1/8, Shank Size: 3MT, Shank Type: Taper, Style: Taper Shank, Cutting Angle: 118, Point Type: Conventional Point, Number of Flutes: 2, Cutting Direction: Right Hand BulletPoint1 : accurate heat treatment - morse taper connecting shaft undergoes quenching process to achieve 58-62hrc hardness, ensuring 0.01mm dimensional accuracy for stable drilling performance in metalworking applications. BulletPoint2 : optimized customtuned geometry - steel connecting rod features 19.05mm inner diameter and 23.825mm taper end, providing exact fit for b16 taper shank drill chucks in industrialcommercial workshops. BulletPoint3 : quickchange function - replacement taper shaft enables notool bit changes in 15 seconds, increasing work efficiency by 40% compared to threaded adapters for carpentersmechanics. BulletPoint4 : compact durability - high hardness steel drill chuck connect rod 6.2oz steel construction withstands 2000+ rpm forces while maintaining 82% smaller storage footprint than standard adapters for mobile repair technicians. BulletPoint5 : quality verified - every connecting rod passes 12-point inspection including concentricity testing and exterior roughness measurement (ra1.6μm) before shipment. Color : Black Oxide ExternallyAssignedProductIdentifier1 : 887861048521 ExternallyAssignedProductIdentifier2 : 0887861048521 FinishType : Black Oxide IncludedComponents : No ItemName : 1-1/64 HSS 3MT Taper Shank Drill Bit ItemPackageDimensions_Height : 4 inches ItemPackageDimensions_Length : 12 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : taper-shank-drill-bits Manufacturer : Qualtech Material : High Speed Steel Material1 : High Speed Steel (HSS) Material2 : High Speed Steel ModelName : Rexvtns125n0tozpd ModelNumber : REXVTNS125n0tozpd NumberOfFlutes : 2 NumberOfItems : 1 PartNumber : DWDTS1-1/64 PowerSourceType : ac/dc ProductDescription : Taper shank drills are made to fit Morse tapered holes. Designed to perform in a broad range of materials in the iron and steel families. They have a black oxide surface treatement that is abrasion resistant, reduces chip welding and improves chip flow ProductSiteLaunchDate : 2011-12-11T21:48:31.131Z Size : 1 1/64 in Style : Standard Shank Taper Shank Drill SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation : Alloy Steel UnitCount : 1 UnspscCode : 27111700