Help identify and date these iron objects

[neodetectorist]

I need help to ID and date this iron I dug from an 1800s homesite.
The OX shoe I know but can the age be determined by the style?
The 2 buckles I assume are horse tack. The last 2 I don't know. The item I thought maybe a plow blade but the end is so rounded and blunt. Also note the rectangle hole.
The other appeared to have been a wrench but the head is oval and rounded inside.
Thanks for looking.

 

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[ARC]

Miscellaneous iron farm implements and such.

 

[ANTIQUARIAN]

As ARC mentioned, your iron frags are al likely all farm hardware/plow related finds.
It's a good start though, often there are coins or other non-ferrous relics mixed in with big iron objects.
These need to be removed so you can hear what the iron is masking.

Dave

 

[submariner]

I agree . Farm implement pieces. The center one, with the square hole, may be off of an old sickle mower.