what to use for screw slots The Hobby-Machinist

Screw Head Slot File screw slot file file the threads into the shank, shape the head and cut the slot These types of screws are relatively easy to distinguish by the absence of screw slot Use appropriately shaped files to square the slot and re-contour the screw head If you're careful, you can come pretty darn close to duplicating the

screw slot file For screw heads and fine grooving; Files have only the very edge as a cutting surface; Made from chrome steel, hardness 65HRc +-2; Certified ISO 9001