• Bit # : 4
Manufacturer's Part Number: #1882630
Big R SKU: #253314
• Tapered drill with widened flutes for drilling fast, clean pilot holes.
• 1/4" quick change shank reduces slipping in standard chucks and is compatible with all 1/4" quick change chucks, including impact drills.
• Adjustable four-cutter counterbore cuts and clears chips quicker for fast, smooth countersinking.
• Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth.