... non-ferrous metal sheet, etc.Dia.33 - 113mm (1-5/16" to 4-7/16") Dia.mm1314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606570 8pcs Carbide Tipped Hole -making Drill in ... Wooden BoxSizes:16,20,22,25,28,30,32,35mm CARBIDE TIPPED CORE ...