Irwin 8-Piece Wood Countersink Bit Set Category_Light Bulbs Systems can be single or

Systems can be single or three phase and have indoor and outdoor versions

Universal 5/8" Arbor

Square-top tooth grind

Common Features

contains 1 piece 4-1/2-inch x 6-inch

Irwin 8-Piece Wood Countersink Bit Set Category_Light Bulbs Systems can be single orReplacement 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