Metal Cutting Blade 3" 20TPI

Wood cutting: Precision ground teeth for fast smooth cutting in hard and soft wood, plastics, laminate, particle board, and plywood. Metal cutting: Fully hardened teeth for cutting ferrous and nonferrous metals, aluminum, and sheet steel.No. 3072410: 4", 10TPI carbon milled T-shank bladeNo. 3072314: 3-1/4", 14TPI bi-metal T-shank bladeNo. 3072320: 3-1/4", 20TPI bi-metal T-shank bladeNo. 2072336: 3-1/4", 36TPI bi-metal T-shank bladeNo. 3072406: 4", 6TPI carbon fleam ground T-shank bladeNo. 3072412: 4", 10TPI carbon fleam ground T-shank bladeNo. 3072300: 3", 5/32 carbide grit T-shank bladeNo. 3072410D: 4", 10TPI fleam ground down cutting T-shank blade