Our SAWZALL� The TORCH� with NITRUS CARBIDE� for thick metals is the next generation of carbide teeth technology. This SAWZALL� blade with NITRUS CARBIDE� teeth allows you to cut longer, cut more and cut faster than traditional carbide teeth products on the market today. MILWAUKEE� NITRUS CARBIDE� technology eliminates the tradeoff between life and speed of cut compared to traditional carbide teeth blades.