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jack of all trades master of none Biker Small Business Owner
  • rpelletier1 commented on Lucia Sun's instructable How to make a railroad spike knife?10 months ago
    How to make a railroad spike knife?

    Caseinite A product for case hardening steel. Comes in a can in granular form. just cherry the item to be hardened and stick in a couple times should do the trick. Also known as case hardening. made a cold chisel in junior high metal shop. worked well for years. case hardening is surface only. not sure of depth but should work.for years.

    can be found at McMaster - Carr or MSC I believe

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