PRODUCT DETAILS Click an item to expand and learn more Overview 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 WoodsMan-Made BoardsMDFChipboardPlywoodAluminum/Non-Ferrous*Aluminum Composite Materials (ACM)*CompositesComposite 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. Reviews Questions and Answers