Thread sizing, not diameter 1/4ips - 1-1/2in Tall Brass Hang Straight - Black Powdercoat Finish

Can you tell me the thread size on the exterior of the part, not the diameter? I need to buy the corresponding tap to thread the adjoining part. To clarify, the thread size on the OD not the 1/4ips interior threads.

Status: Open Mar 03, 2022 - 10:56 AM

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Mar 03, 2022 - 10:56 AM

This Outer thread does not match any standard thread sizing. It matches the ring supplied.
It is not made with taps and dies. The factory uses cnc turning and sets the pitch to what they feel is comfortable.
You would need to measure the TPI on the part and make your threading match on a lathe.
Also this can change from supplier to supplier.