Amana Tool Shankless Carbide Tipped 82 Degree Shankless Countersink Bits with Slow Spiral Drill

Available in a wide variety of sizes, complete with slow spiral HSS M2 DIN 338 fully ground drill bit.Excellent for Drilling: Natural Woods Man-Made Boards MDF Chipboard Plywood Aluminum/Non-Ferrous Aluminum Composite Material (ACM) Composites Composite Decking Materials High Density Polyethylene (HDPE) Acrylic Warning: When drilling aluminum-ferrous materials, for optimal results and extended tool life use lubricant or air cooling. Make sure the material is fixed and drill is stable during drilling.