Irwin Wood Countersinks #4 x 7/64" Size:#4 x 7/64" efficient cut

efficient cut

User example - Interior trim contractor/detail work around windows

Not for use with bit extensions

Enhance the natural beauty of wood while protecting against harsh elements that can fade and damage exposed wood

smoldering fires and reduce false alarms that result from cooking and shower steam

Irwin Wood Countersinks #4 x 7/64" Size:#4 x 7/64" efficient cutTapered 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.