ROUGH TCT HOLE SAW This hole is for cutting various wood, chip board,plasterboard, brick, normal hardness ceramic,tiles, concrete wall with alloy base and carbide tipped pilot drill in kits.Max cutting depth is 50mmOuter DiameterOverall LengthMetric(mm)Inch(inches)331-5/1665mm(2-9/16”)431-11/1665mm(2-9/16”)532-1/1665mm(2-9/16”)632-1/265mm(2-9/16”)672-5/865mm(2-9/16”)732-7/865mm(2-9/16”)833-1/ ...