... spaces.Long tool life.complete with locating plate and carbide tipped pilot drill.Ideal for cutting wood, plastics, fibreglass, bricks, non-ferrous ... /16" to 4-7/16") Dia.mm1314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606570 8pcs Carbide Tipped Hole -making Drill in Wooden BoxSizes:16,20,22,25,28,30 ...