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Can someone tell me what the heck this tool is? My dad and i have been trying to find out a for a lil while now and no one around here seems to know. Its made of Aluminum not steel and appears to be a tap for something, but not sure what things you can tap threads into with aluminum. Any ideas?






Let me know, my dad and i are going crazy trying to figure this out.

Looks like some type of thread tap device? We had (QC guy did) alum stuff at my prev job, we had these types of taps.

brooms?

Well it doesnt make any sense to cut thread on an aluminum peice of anything with an aluminum tap. Any other ideas?

It might be a gauge to check threads on a machined device. A "go/no-go" gauge if you will.

Spark plug hole clean up tool? I am going with Geoff's reply..

Def. not for spark plugs. Both ends are actually about 1.35" in diameter. They are fairly big and really soft metal. Some of the threads are really wide on two of them...