Bending resistance and ductility TAPER POINT NEEDLES The Atramat® Premium Needle bending resistance is improved by: more than 40% compared to a classical 420F martensitic taper point needle, with an excellent ductility. Atramat® Premium Needle: the highest quality needle. 10
General Recap Atramat® Premium Needles (300 series) HARDNESS: 50% higher than 420 BENDING RESISTANCE: 40% higher than 420 DUCTILITY: More than 4 times better than 420 11
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