Drillpro 5pcs HSS Step Drill Bit Set Hole Cutter Drilling Tool Multiple Hole 50 Sizes with Aluminum Case

Description Drillpro 5pcs HSS Step Drill Bit Set Multiple Hole 50 Sizes with Aluminum CaseSpecification MaterialHSS 4241Surface treatmentRoasted yellowShankTriangle shankSize3 16 1 2 1 8 1 2 1 4 3 4 1 4 1 3 8 3 16 7 8 Quantity5pcsWeight450gApplicationSuitale for steel iron sheet aluminum PVC board wood etc Features Self centering and easy positioning 118°X shaped opening design reduces the slip of the drill effectively Universal triangle handle durable and not easy to slip Fast drilling hole and smooth chip removal Widely used in steel wood plastic aluminum copper iron etc Can use with hand drill lithium drill bench drill milling machine etc Package Included 1 x 1 4 1 3 8 Step Drill1 x 3 16 7 8 Step Drill1 x 1 4 3 4 Step Drill1 x 1 8 1 2 Step Drill1 x 3 16 1 2 Step Drill1 x Aluminum BoxMore Details