Could someone please help me find out what kind of tool this is?
The right arm is inscribed with (218 1/2)
Well it looks like a « 3 in 1 » to locate or align the holes in workpieces, then tap a thread and finally install a bolt with a square head.
Square head bolts tend to be for older things but not sure what industry that was designed for.
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1the square head is not much larger than the shank. I've seen bolts like that locking pulleys onto shafts. – Jasen Jan 7 '20 at 4:44
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@Jasen yes, you are right - seen them as well, just could not remember last night... – Solar Mike Jan 7 '20 at 14:21
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@Solar Mike Awesome! Could you maybe provide me with a link to such an item? (Or wikipedia article or something) I cant seem to find anything like it online... – ProfessionalCode Jan 7 '20 at 18:03
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@ProfessionalCode the tool or the bolt for the pulley? If it is the bolt then research flat belt pulleys. – Solar Mike Jan 7 '20 at 18:06
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