Fulfillment inventory for Shipping: Unavailable for the selected location
Shipping estimateAdd your address at checkout for accurate shipping rates and delivery times.
Replacement tapered drill bits with widened flutes for drilling fast, clean pilot holes. Adjustable 4-cutter counterbore cuts and clears chips quicker for fast, smooth countersink or counterbore drilling. Attaches and adjusts with 2 hex screws. Counterbore attaches to flat on shank for a more secure fit. Adjustable stop collar attaches to counterbore for controlling countersink depth. 1/4" hex quick change shank reduces slipping in standard chucks and is compatible with impact drivers.