Also known as dimple dies.
													
																	Sheet metal punch out holes 1 8 in aluminum. 
								
	
		
	
																	Ares 10005 metal hole punch set 3 32 inch to 9 32 inch punches and dies included for aluminum brass and steel sheet metal and more 4 8 out of 5 stars 27 27 42 27. 
																	Multiply x 52 high carbon steel. 
																	Happybuy 0 9 1 3 inch electrical metal stud punch cutter cc 100 steel stud puncher set dies 7 8 1 1 8 1 11 32inch metal stud hole punch 20ga lever sheet stud knockout punch 4 4 out of 5 stars 13 117 99. 
																	Multiply x 70 copper 1 2 hard. 
															
													
								
	
		
	
																	Also known as dimple dies. 
																	Multiply x 36 brass 1 4 hard. 
																	Multiply x 1 50 also remember that you should never try to punch a hole that is smaller that the thickness of the steel. 
																	Multiply x 1 60 a36 steel recycled. 
															
													
								
	
		
	
																	Ares 10005 metal hole punch set 3 32 inch to 9 32 inch punches and dies included for aluminum brass and steel sheet metal and more 4 8 out of 5 stars 27 27 42 27. 
																	Sheet metal hole flaring dies create flares around already cut holes in sheet metal up to 3 16 thick to make the edges stronger and more rigid.