Irwin Wood Countersinks #4 x 7/64" Size:#4 x 7/64" 44" Blade Material 7Cr17MoV High

44" Blade Material 7Cr17MoV High Carbon Stainless Steel Closed Length 4

36" and 48"

drawstring

ul classified replacement breaker

Irwin Wood Countersinks #4 x 7/64" Size:#4 x 7/64" 44" Blade Material 7Cr17MoV HighTapered 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.