5 / 16-12 X 1 Hex Serrated Washer Head Drill-Tap Screw, 7 / 16 Across Flats X 1000 Pcs

Hex SerratedWasher Head Drill and Tap Screws have an oversize 7/16” head and are zincplated

• Serrated Washer Head

• #4 Reduced Point

• Oversize head minimizes socket change out

• Typically used to attach hinges and other face hardware to metal doors