use on Portable saw, table saw, miter saw and industrial machine. with negative hook angle blade for Laminated plate, Mild steel, Nonferrous metal, Stainless Steel. Note: Never put Steel cut blade into the wood working circular saw 160x20x36T,180x20x40T,230x30x48T,250x30x80T,300x30x96T,350x32x108T T.C.G. Saw Blade with different Carbide Material will be for cutting Mild steel: such as angle iron, plate steel, pipe, Nonferrous Metals such as aluminum, Laminated plate. Stainless steel: At customer?s request, we can add the pin hole: 2/6/32, 2/ 7/42, 2/10/60 or 2/7/42+2/10/60 cutting the steel with T.C.T. saw blade will save the time and money If you cutting the steel with the reciprocating saw should 12 minutes, Use Goldtol?s steel cut T.C.T. saw blade 1.2 minutes enough. If you cutting the small steel plate, no necessary to open the big cutting machine, Use Goldtol?s steel cut T.C.T. saw blade with the miter saw will save the power. Goldtol develop the T.C.T. saw blade for steel cut already 3 years and successful now.