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It solves the three major pain points of traditional saw blade grooving and easy deflection, groove bottom burrs, and scorching materials, and realizes efficient grooving "as narrow as hair, deep as chiseling" Rigid and soft" matrix design 2.2mm thickened chrome vanadium steel matrix: 40% increase in torsional strength and eliminate slotting deflection Laser cutting pressure relief groove: release high-speed cutting stress and reduce resonance deformation