Use a wood cutting saw with carbide tipped blades to cut most aluminum.
													
																	Best way to cut aluminum sheet. 
									
	
		
	
																	Make sure that you use coolant or a light oil like wd 40 to lubricate the cutting and prevent the chips from gumming up your blade. 
																	Sheet aluminium can be cut without the need for a guillotine or tin snips which tend to deform the metal. 
																	With the aid of a straight edge and a sharp knife score both sides of the aluminium sheet. 
																	Step 5 optional if your project requires cutting a hole in the center of sheet metal draw it on the metal as you would any other cut line. 
															
													
									
	
		
	
																	Cutting aluminum sheet metal with a hammer and chisel is relatively straight forward line up the edge of the chisel along the line you wish to cut and strike the chisel with a hammer. 
																	To cut straight lines use an electric saw. 
																	We recommend using a diamond blade that s labeled as a ferrous metal cutting blade but many tradespeople use a regular masonry diamond blade with good results. 
																	Using a softer piece of material such as wood as a backer will allow the chisel to push through the metal and prevent wear on the chisel s tip. 
															
													
									
	
		
	
																	This is actually one of my preferred ways to cut aluminum. 
																	To cut the sheets of metal rathe. 
																	It is stupidly fast and it leaves a nice clean cut if you can hold it. 
																	Metal lath and hardware cloth can be cut with a tin snips but there s an easier way. 
															
													
									
	
		
	
																	For thin sheets of metal you can use tin snips to cut through it. 
																	Select a fine toothed blade and don t cut aluminum with a wall thickness of more than 1 4 inch 0 64 cm. 
																	Either way the main problem you want to avoid is clogging the blade. 
																	Mount a diamond blade in your angle grinder and use it like a saw to cut the mesh. 
															
													
									
	
		
	
																	Start by taping both sides of the sheet metal directly over the line you want to cut and clamp the metal to a work station so it doesn t move. 
																	If possible choose a saw blade that creates narrow kerfs the notch or slot made by the saw.