... ,M42/M51/S290/Carbide 3.Best quality SpecificationsBimetal Band saw Blade 1.Special technology 2.Different teeth materials,M42/M51 ... saw banding uses M42/M51 high-speed Cobalt steel as teeth part and special spring steel as the blade ... cylinder-shaped, And Welded to the blade body through high-energy;4, longer life, lower price. ... deg; , 3° ,5° , any others. Bimetal band saw blade