Irwin Wood Countersinks #4 x 7/64" Size:#4 x 7/64" Packed in storage box complete

Packed in storage box complete with instructions and standards

connects cast iron or plastic to cast iron or plastic

Non-preset

marking stake flag

Irwin Wood Countersinks #4 x 7/64" Size:#4 x 7/64" Packed in storage box completeTapered drill with widened flutes for drilling fast, clean pilot holes. Adjustable four cutter counterbore cuts and clears chips quicker for fast, smooth countersinking. Counterbore attaches to flats on shank with two hex screws for a secure fit, and can be adjusted for controlled pilot hole depth. 1 4" quick change shank reduces slipping in standard chucks and is compatible with all 1 4" quick change chucks, including impact drills.