Hello there. They are cast Spheroidal Graphite or Ductile Iron. Not sure about the exact specs. I have been hammering and abusing Dawns for decades. They are tough buggers but a bold unbreakable guarantee claim nonetheless. Here is Dawn's website...
Have acquired a number of vices and this one will receive a decent clean up and tweak. It's a Dawn 150 mm (6") SG (Super Grade). These are guaranteed unbreakable. Have taken out the jaw plates already to wire brush the gum out of the grip faces.
Whoops the image is upside down. Will have to...
Thanks ****. Presently have come into possession of a number of vices so they will be a relatively easy restoration project. I will find an appropriate thread for their story.
Good morning. I am a full time aircraft metalworker. Have previously been employed as a boilermaker, was an underground miner and grew up on a farm full of antiquated machinery and tools. We made do with what we had and designed/built much of what was needed out of necessity. Have 5 cars to keep...