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Tapered thread 5TPI 2TPF

M

margaldi

Plastic
Joined
Dec 15, 2020
I am looking information about which API taper thread form is used to cut tapered threads of J series drill rods used for drilling applications. These threads are standardised by DCDMA but I can find any details other than TPI and TPF. Typical sizes are named AWJ, BWJ and NWJ. Any help would be very much appreciated

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Thanks. Yes it is this type of thread. However it is not a tapered ACME at least accordingto my knowledge. Thread form is similar to API tapered thread, but I can not find the exact geometry to model this

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