High-speed steel saw blade: The entire saw blade is made of imported high-speed steel material, and the serrations are precision machined to ensure cutting straightness and sawing speed. Saw blade after vacuum furnace heat treatment, the overall hardness reaches HRC63-66

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Bi-metal flexible saw: The tooth slot is high-speed steel, and the tooth body is high-quality spring steel, which is formed by electron beam welding. This saw blade is flexible and should not be broken

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Choose according to your own needs. High-speed steel saw blades belong to new products. At present, bi-metal flexible saw blades are the mainstream products.