#metalworking

came across some grade 8 steel bolts and got curious what exactly makes them different from lower grades is it just the material or is there more to it also if you use a grade 8 bolt do you have to pair it with grade 8 nuts and washers or does it not matter

a friend gave me an old anvil. it was covered in multiple layers of thick paint finally got it cleaned up and turns out it's a Trenton anvil it got some weird numbers and a peculiar symbol on the base I don't know what they mean was hoping someone here might know one stamp says 150 so I'm...

got this anvil from some garage sale was covered in layers of thick paint finally got it off turns out its a trenton anvil the base has a bunch of numbers and this weird symbol no clue what it means one stamp says 150 guessing thats the weight seems about right and theres a T which i think means...