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        Masks Required for All

        S7 Punch Stock

        Perfect tool steel to machine or forge your own punches, chisels and drifts

        Heat treat can be done fairly easily on this S7 tool for steel.? S7 Shock-Resisting Tool Steel is an air or oil hardening tool steel that is characterized by very high impact toughness S7 holds its form even at? higher temperatures. The combination of strength and high toughness makes it a candidate for a wide variety of tooling applications. The S7 tool steel can be used successfully for both cold and hot work applications

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        日本一道本高清一区 二区详情介绍-日本一道本高清一区