![IRWIN INDUSTRIAL TOOL Tapered Countersink Tool #12](http://jaxgoods.com/cdn/shop/products/wood-countersinks-1659_90cac514-7945-4676-bbf6-1296c6105933_320x320.jpg?v=1686267845)
Tapered Countersink Tool #12
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.