Stainless HSS Hole Saw 17.5mm Metal Cutter Drill Bit With Hex Wrench

Description

Using 6542 # HSS,Suitable for thin stainless stell,steel hole operation. Wear resistance,quick cutting speed,stable,cutting back rounded,smooth. Not be bent drilling and tapping teeth,to prevent tooth fracture. Not easy to high speed drilling. Drilling and cutting thickness 0.5mm(0.02")-2mm(0.08") water effect. The tight tool to prevent borehole stuck harm.