Tool identification

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Wood4me

Established Member
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30 May 2022
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Somerset
Hi, can anyone identify this specific type of tool. I assume some type of engraving? Overall length is 160mm

IMG_4572.jpeg
IMG_4572.jpeg
IMG_4571.jpeg
IMG_4571.jpeg
 
The tip is obviously replaceable and resembles a thread cutting tool for a lathe in profile. The shank and tapered tip reminds me of the taper-shanked wrenches used in steel-frame construction and other applications where the shank was used to align the holes preparatory to bolting through.

Could be this tool was intended to be used for for scraping out threads on bolts as part of that process to remove burrs on the threads which might interfere with hand threading-on of nuts; and of course dirt, grit etc. which might also.

My best guess. ;)
 
I agree with BC'er. my first thought was a metal cutting lathe tool. One tool that I have seen is "toothed" hand tool for cleaning threads on a lathe and this could well be something like that.
 
Doesn't look like any single point thread cutting tool or thread chaser I've ever seen.
And why the hex handle if it is? Lathe tools are normally square to fit in the tool post.
It's a hand tool surely.
 
The main body is similar to the stone masons chisels, which usually come with two options at the striking end. One is mushroomed over, for use with a wooden mallet. The other - which this looks to be like- is tapered for striking with a soft iron mallet. Though I note that there does not appear to be any telltale evidence of wear, from it being struck repeatedly.

The tips at the business end, of something like a replaceable-tip, scutch, have a ridge along them that stops the tips being jammed into the cleft of the chisel body, which would make them difficult to extract. This also allows for the tips to be double ended which the tip of the tool in question does not seem to be.

These observations would lead me to doubt that it was used for working stone.
 

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