Drillpro 4pcs 4-12/20/32mm HSS Titanium Step Cone Drill Bit with Automatic Center Punch

Description 4Pcs Inch Pagoda Drill Golden Center Punch Set High Speed Steel Drill ToolSpecifications Product NameStep drill setMaterialHigh speed steel 4241 titanium coating ColorGoldLength6 7cm 7 4cm 10 2cmSize4 12mm 4mm 6mm 8mm 10mm 12mm4 20mm 4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 14mm 16mm 18mm 20mm4 32mm 4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 24mm 26mm 28mm 30mm 32mmQuantity4 PcsFeatures Straight flute structure triangular shank a drill bit can open a variety of specifications and sizes of holes Wide range of applications deburring chamfering rounding and reaming The diameter scale is clear and the shaking is smaller than that of ordinary twist drills and the beautiful hole can be opened without using a center punch It has a variety of specifications and is convenient to apply Suitable for workpieces with a hardness of less than 25° such as iron plates aluminum plates PV plates and insulating plates Package Included 3 xStep Drill1 xCenter PunchMore Details