High Speed Steel Fractional Hole Enlarging, 9/16 in to 1 in, 8 Steps ORS NASCO Use a brass cylinder adaptor

High Speed Steel Fractional Hole Enlarging, 9 16 in to 1 in, 8 Steps ORS NASCO Use a brass cylinder adaptor Use a brass cylinder adaptor to connect a regulator to a cylinder or other equipment when different CGA threads on the mating parts make a direct connection impossible Adaptors should not be used as permanent installations Electric seam weld joins top and body Stainless steel flame arrestor Sturdy 16 gauge shock rim for bottom support Single flute cutting edge for greater control through steps 3 flatted shank prevents slipping in drill chuck Also available with titanium nitride coating for longer life Patented single flute cutting edge gives the user a true round hole every time Ideal for drilling holes into thin materials such as stainless steel plastic and laminates