![IRWIN INDUSTRIAL TOOL Tapered Countersink 4PC SET](http://jaxgoods.com/cdn/shop/products/shopping_16f99265-d899-4a02-acf9-1d94e948356c_700x700.webp?v=1686267853)
Tapered Countersink 4PC SET
Tapered 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 in. quick-change shank reduces slipping in standard chucks and is compatible with all 1/4 in. quick-change chucks, including impact drills.