Irwin 4-Piece Wood Countersink Bit Set Brand_Square D Starts the bit cleanly

Starts the bit cleanly

Superior grade 8 pivot bolt

professional grade hand cleaner

Automatically mixes and applies the product

Irwin 4-Piece Wood Countersink Bit Set Brand_Square D 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' quick change shank reduces slipping in standard chucks and is