Need info on these before selling

[Plasma2002]

Hey guys, I came into possession of some, what I believe to be reamers for a mill (?). Was planning to hock them, but wanted to see if anybody could tell me something about them before I just post them online for $20 lol

Any idea what I've got my hands on, and if they're worth trying to sell? They're huge

[Jeff Hall]

The 2 on the left are readers. The 2 on the right are for a broaching machine. Not sure about the one in the middle. Worth way more than $20.

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[Jeff Hall]

I think the one in the middle is a tap, straight thread for a bolt.

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[Steve Wong]

I asked Grok AI ...

The tools in the image appear to be various types of milling cutters, which are used in machining processes to remove material from a workpiece. Here's a breakdown of what they might be:

End Mills: The tools with helical flutes, typically used for cutting slots, grooves, or shoulders in a workpiece. They can also be used for profiling and contouring.
Slot Cutters: The tool with a flat bottom and teeth around the circumference. These are used for creating slots or grooves in materials.
Shell End Mills: The larger tool with a threaded hole in the center. These are used for heavy-duty milling operations and can be used for creating large, flat surfaces or slots.

These tools are commonly used in CNC (Computer Numerical Control) milling machines, manual milling machines, or other machining processes to shape metal, plastic, or other materials. They are essential in manufacturing and metalworking for creating precise shapes and features on parts.

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[Tate Belden]

Totally agree

2 reamers on the left - 2 broaches on the right. Now, that one in the middle, yea appears to be an external thread cutter for bolts, like in a 'rolling mill'. If they're in as good a shape as it appears and there's a desire, the reamers will likely go easily, the other three - will take a more specialized need. Worth WAY more than $20, more like the other side of $200 for the whole pile.

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Tate Belden

A jack of all trades is a master of none, but oftentimes better than a master of one.