What size screw slot files?

screw slot file   Dan screwdriver slot

Slotting Screw Head File Cut 6 Watchmakers Jewellers Swiss

Swiss made slotting screw head file cut 6 Length 75mm Width 9mm Thickness  Screw Head File Screw Head File Supreme Quality Files for the Optical Industry ITEM: #68-LI-25050 BRAND: OptiSource Quantity Add to Cart

服部圭子 Making screw slots is a delicate operation and only the finest, most precise files will do These are the ones! Six sizes and two styles let you cut even File slots in small screws or narrow slots of any kind by using a screwhead with tang files These files come in three different thicknesses