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Features:- [Package includes]: 3 pieces of step drills, 6 pieces of 5-Flute countersunk drills and 1 piece of center punch in the package; enough quantity and type are enough to meet your various needs.- [Step drill bit set]: made of high-speed steel and coated with titanium, various sizes of 4-12 m..

Description: 21Pcs Self-Centering Hinge Tapper Core Drill Bit Step Drill Set with Automatic Center Punch for Woodworking Adjustable Door Window Spring Loaded Metal Drill BitsSpecification: 3Pcs Step Drill Bits with 1pc Automatic Center Punch Material: HSS Shank: 1/4 Inch Hex Shank Size: 3/16-1/2'..

Description:3-12/4-20/4-32mm M35 Cobalt Step Drill Bit 1/4 Inch Hex Shank HSS-Co Step Drill BitSpecification: Material HSS-Co M35 Cobalt Coating Cobalt coatingSize: Model Step ..

Description: 3-13/6-25/6-35mm HRC89 M35 Cobalt Step Drill Bit TiAlN Coated 1/4 Inch Hexagon Shank Step DrillDouble R 1/4 Inch Hexagon Shank, Protection Cone Design, Super TorqueHigh-speed steel cobalt/M35 More than 4241 and 6542 high-speed steel materials.Industrial-grade TiAlN plating 1...

Description:3/16-1/2 1/4-3/4 1/8-1/2 Inch Step Drill Bit Inch Type 1/4 Inch Shank Step DrillSpecification: Material: HSS 1#: 1/8-1/2 Inch 2#: 3/16-1/2 Inch 3#: 1/4-3/4 Inch 4#: 3/16-1/2+1/4-3/4+1/8-1/2 Inch Shank: 1/4 Inch Hex ShankFeatures:This is the New HSS Steel Large Step Cone Drill Tita..

Specification:Material: HSS 4241Surface: Baking yellowQuantity: 3/5/6pcs Size: 3/16-1/2'' 3/16,1/4,5/16,3/8,7/16,1/2 (inch)  6.35mm (1/4”) shank 1/8-1/2'' 1/8,5/32,7/32,1/4,9/32,5/16,11/32,3/8,13/32,7/16..

Description: 3Pcs 3-12/4-12/4-20mm HSS Titanium Coated Step Drill Bits with Automatic Center Pin PunchSpecification: 3-12/4-12/4-20mm Step Drill Bits:Material: HSS / High Speed SteelSurface Treatment: Titanium CoatedShank Size: 1/4" Hex ShankIncludes a five-step bit, nine-step bi..

Description:3pcs 4-12/20/32mm HSS Step Drill Bits Set Spiral Grooved Hole CutterSpecification:Product NameHSS Step Drill Bits Set MaterialHigh-speed steel ColorBlackTypeStep drill Size4-12mm,4-20mm, 4-32mm Quantity3pcs/set × HSS Step Drill Bits Set SizeStepsShank Diameter(mm) Approx.Overal..

Description: 3pcs 4-12/20/32mm HSS Titanium Step Cone Drill Bit Hex Shank Hole CutterSpecification: Material HSS Finish Titanium Length 6.7cm/ 7.4cm/10.2cm 4-12mm 4mm, 6mm, 8mm,..

Descriptions: 3Pcs HSS Round Shank Titanium Coated Quick Change Step Drill Bits 3/16-1/2 1/8-1/2 1/4-3/4 InchSpecification:Product NameStep Drill Bits MaterialHigh Speed Steel 4241Suitable ForUsed for the hardness of the material which is below 25°, like iron borad, steel board, PVC board, Insulatio..

Description: 4-12/20/32mm HSS Hex Shank Spiral Groove Step Cone Drill Bit Hole CutterSpecification:Material: High speed steelSuitable for workpieces with a hardness of 25° or less, such as carbon steel Cutting material: thin iron plate, aluminum material, insulating board, PVC board wood, t..

Description: 4-12/4-20/4-32mm HSS 6542 Titanium Coated Step Drill Bit Triangle ShankSpecification:Material: HSS 6542(High Speed Steel 6542 / M2)(Far better than 4241, durable to use)Surface Treatment: Titanium CoatedShank Size: Triangle Shank Model Shank ..