Amana tool 55130 Carbide Tipped 82 Degree Shankless Countersink with Slow Spiral #20 Screw 5/8 D x 5/16 Dril D x 5/16 Dril SHK

Carbide Tipped 82° Shankless Countersink With Slow Spiral (HSS) M2 DIN 338 Fully Ground Drill Bit Available in a wide variety of sizes. Carbide-tipped for long lasting results. Excellent for Drilling: Natural Woods Man-Made Boards MDF Chipboard Plywood Aluminum/Non-Ferrous* Aluminum Composite Materials (ACM)* Composites Composite Decking Materials *WARNING!: For optimal results and extended tool life use lubricant or air cooling. Ensure the material is fixed and drill is stable while drilling.