... M42/M51/S290/Carbide 3.Best quality SpecificationsBimetal Band saw Blade 1.Special technology 2.Different teeth materials,M42/M51 ... speed Cobalt steel;2, the two parts of the blade body and the teeths are heat treated respectively;3, ... nbsp; And Welded to the blade body through high-energy;4, longer life, lower price.5, Width can be 19mm ... ; , 3° ,5° , any others. Bimetal band saw blade 34mm