PRODUCT DETAILS Click an item to expand and learn more Overview Adjustable. 2-Wing, Carbide TippedIncludes slow spiral, HSS M2 DIN 338 fully ground drillExcellent For Drilling:Natural WoodsMan-Made BoardsMDFChipboardPlywoodAluminum/Non-Ferrous*Aluminum Composite Materials (ACM)*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. Reviews Questions and Answers