DANIU 3Pcs HSS 4-12 20 32mm High Quality Steel Step Drill Bit Hole Cutter

Description 3Pcs HSS 4 12 20 32mm high quality HSS Steel Step Drill Bit Hole CutterFeatures Made from high quality HSS steel Ideal for using to cut holes in a variety of materials including steel brass wood plastic etc 3Pcs Hss Drill Bit Set quality tool for jobs of all sizes Titanium coated to reduce friction and heat Heat treated and highly polished Drills perfectly round holes in steel brass plastic wood etc 3 sided shanks design in order to prevent slippage when in chuck Two flute design provides faster smoother and cleaner cuts each step is clearly labeled with the depth diameter in steps Specification Surface treatment Titanium PlatingColor GoldenLength 4 12mm length Appox 6 3cm 2 48inch4 20mm length Appox 7 3cm 2 87inch4 32mm length Appox 10cm 3 94inchSpecification Step drill cutting specification 4 12mm Hole Sizes in 2mm Steps 5 steps 4 20mm Hole Sizes in 2mm Steps 9 steps 4 32mm Hole Sizes in 2mm Steps 15 steps Package Includes 1 x 3Pcs Hss Drill Bit SetDetails pictures