Countersink Drill Bit Set – 5 Pcs Countersink Drill Bit with Aluminum Alloy Depth Stop Collar, HSS M2 Bearing Stopper Anti-Scratch, 82° Counterbores 1/4” Hex Shank for Woodworking Tools & Hand Tools 5pcs Aluminum Alloy Depth Stop Collar Yellow 5
A 5-piece countersink set built around M2 HSS tapered pilot bits and adjustable depth stops—designed to help you drill and countersink clean, consistent holes for 82° screws in wood and more.