Gun Drills Single Flute with overall length 850mm Shank Dia : 16mm / 25mm Size : 5.00mm ; 6.00mm ; 7.30mm ; 8.00mm ; 8.50mm ; 9.50mm ; 10.0mm ; 11.00mm ; 11.80mm ; 12.00mm ; 12.57mm ; 15.10mm Above material is required in Large Qty