When u buy the blade blanks do u get the pins four the handles

I've never received any with a blank.

No

Typically no, blanks have pre-drilled holes.

You can get them there.

Not sure i dont go upstairs i stay down stairs where all the cooking supplies are ,,. Sorry i cant answer your question ..i ask my husband and he said he just likes to look at the knifes he doesnt buy any thing from them...sorry