hack-iron

noun2

1. •
   A chisel or similar tool for cutting metal, as wire, into nails.

   • He then takes one of the rods out of the fire, and resting it on the anvil, draws out the nail by a few skilful blows, and cuts it off from the rod by means of a hack-iron. — 1875
2. •
   A miner's pickax or hack.