File:Screw Head -

FRIEDR DICK GMBH SCREW SLOT FILES screw slot file Swiss made slotting screw head file cut 4 Length 75mm Width 9mm Thickness screw slot screw head using a TIG welder and a screw slot file For this and other MidwayUSA videos

screw slot file Find a screwdriver that FITS THE SLOT grind or file the screwdriver to fit if needed