... Different teeth materials,M42/M51/S290/Carbide 3.Best quality SpecificationsBimetal Band saw Blade 1.Special technology 2.Different teeth materials,M42/ ... part and special spring steel as the blade body. They are not combinedthrough high-speed electron beam, but firstly heat treat ... cylinder-shaped, And Welded to the blade body through high-energy;4, longer life, lower price.5, Width can ...