\u00A0\u00A0 Description:\u00A0 Round Type Thermal Friction Hot Melt Short Drill Bit M3 M4 M5 M6 M8 M10 M12 M14 Flow Drilling Tungsten Carbide Friction Drill.\u00A0 \u00A0\u00A0 Specification:\u00A0 Material: Tungsten Carbide.\u00A0 Color: Silver Type: Flat Type.\u00A0 Size: M3 M4 M5 M6 M8 M10 M12 M14.\u00A0 \u00A0\u00A0 Features:\u00A0 1. Round type frictiondrill (stard type frictiondrill): frictiondrill penetrate the workpiece while drawing the bushing to form a convex ring. Suitable for thread sealing or nut washer.\u00A0 2. Made of tungsten carbide, durable to use.\u00A0 3. Fits for 0.5-12.5mm thickness material, can process steel, stainless steel, titanium, aluminum, copper, copper, brass, aluminum alloy etc.\u00A0 4. Fits for drill lathe, milling machines, NC\/CNC machining center.\u00A0 \u00A0\u00A0 Package Included:\u00A0 1 x Hot Melt Short Drill Bit Round Type