Replacement tapered drill bit for the IRWIN adjustable countersink, sized for #10 screws. It fits IRWIN countersink 1882783.

• 3/16" tapered drill bit, sized for #10 screws
• Replacement bit for IRWIN countersink 1882783
• Adjustable four-cutter counterbore gives pilot-hole depth control and cuts and clears chips quicker for smooth countersinking
• Quick-change 1/4" shank reduces slipping in standard chucks
• Compatible with all 1/4" quick-change chucks, including impact drills
• For countersinking in wood or metal