Irwin #6 - 9/64 In. Wood Countersink Subcategory_Tools Starts the bit cleanly

Starts the bit cleanly

and other applications

Includes 402 mandrel

against chlorine

C-ring design holds the insert bit securely in place

Irwin #6 - 9/64 In. Wood Countersink Subcategory_Tools Starts the bit cleanlyReplacement 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