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Threaded Fastner

Threaded Fastner

Threaded Fastner

(OP)
Hi, glad to be making first post.

I have a lock nut that is used to retain some components inside a cylindrical part. It has an internal hex, for installation, and is threaded externally (i.e. the cylindrical part is the femal thread, lock nut is male). I think I may have misunderstood the type of fastner it is and I cannot find any specification for this type of fastener and its associated thread.

Can anyone help identify where I may find this?

Thanks,

MWATP

RE: Threaded Fastner

Extrenally threaded it would be a screw. Internal hex screw. Grub screw. Set screw.

Ted

RE: Threaded Fastner

I have seen this type of part before; it is sort of like a hex socket pipe plug, but it has a machine screw thread so it can free-spin down into a tapped hole. I am not aware of a standard for these parts; they are pretty unusual.

RE: Threaded Fastner

Its basic configuration does match a set screw or grub screw (as called in the UK) but other factors may influence its designation. What kind of size (both thread and 'length') are we talking.

Sounds like it may be a "hex drive plug" or some such.

Posting guidelines FAQ731-376: Eng-Tips.com Forum Policies http://eng-tips.com/market.cfm? (probably not aimed specifically at you)
What is Engineering anyway: FAQ1088-1484: In layman terms, what is "engineering"?

RE: Threaded Fastner

It sounds like an allen head setscrew ( Grubscrew)
B.E.

The good engineer does not need to memorize every formula; he just needs to know where he can find them when he needs them. Old professor

RE: Threaded Fastner

Post a photograph of your screw - then, determine what you want to do with the info: Buy more? Build more? replace it with an equal?

RE: Threaded Fastner

I agree that it is an allen head set screw.

Tunalover

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