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General control line discussion => Open Forum => Topic started by: Paul Taylor on January 26, 2008, 07:17:43 AM

Title: What size hex wrench??
Post by: Paul Taylor on January 26, 2008, 07:17:43 AM: Can someone tell me what size hex wrench will fit a 4-40 screw?
Title: Re: What size hex wrench??
Post by: Jim Kraft on January 26, 2008, 07:55:15 AM: Should be a 3/32" hex Paul.
Title: Re: What size hex wrench??
Post by: Harleyman on January 26, 2008, 08:56:21 AM: Yup, Jim is correct - - - 3/32.
Title: Re: What size hex wrench??
Post by: don Burke on January 26, 2008, 10:11:01 AM: He asked about the "Allen" wrench size for the head of a socket screw, I think.
Title: Re: What size hex wrench??
Post by: Keith Spriggs on January 26, 2008, 10:28:27 AM: Quote from: don Burke on January 26, 2008, 10:11:01 AM
He asked about the "Allen" wrench size for the head of a socket screw, I think.

I had thought the reference was to the nut size, so I deleted my posting. The hex size for a 4-40 size set screw is .050.
Title: Re: What size hex wrench??
Post by: Paul Taylor on January 26, 2008, 11:20:33 AM: Quote from: don Burke on January 26, 2008, 10:11:01 AM
He asked about the "Allen" wrench size for the head of a socket screw, I think.

yup.
Title: Re: What size hex wrench??
Post by: Bill Little on January 29, 2008, 09:30:19 AM: Man, I got an IQ over 150 and get more and more confused! LOL!!!!!!!! LL~ LL~ LL~

A 4-40 socket head screw takes a 3/32 hex key. So I immediately thought of that since the question posed was for a *4-40 screw*.

Now, a 4-40 *SET screw* looks like it takes an .050 hex key.......

I guess, either way, the question is answered! n~ n~ n~ n~ :##
Title: Re: What size hex wrench??
Post by: Clint Ormosen on January 29, 2008, 10:57:21 AM: Minus 20 IQ points for that response, Bill. LL~
Title: Re: What size hex wrench??
Post by: Bill Little on January 29, 2008, 12:13:51 PM: Quote from: rootbeard on January 26, 2008, 11:20:33 AM
yup.

Ok, OK, are we talking about a 4-40 (socket head cap) *SCREW*, or a 4-40 *SET* screw???? Both ARE 4-40! LL~ LL~ LL~ LL~ n~ n~ n~ :## :X

The 4-40 *screw* takes a 3/32 Allen wrench (also referred to as a hex key/wrench).

Looks like the 4-40 set screw takes a .050 Allen wrench (also referred to as a hex key/wrench).
Title: Re: What size hex wrench??
Post by: Mark Scarborough on January 29, 2008, 01:25:07 PM: Yeah, just to help out here, a 4-40 button head cap screw takes a completely different size ~> HB~> HB~> Not sure what it actually is I have some at home,,
Title: Re: What size hex wrench??
Post by: Keith Spriggs on January 29, 2008, 06:00:31 PM: Well, I have tried to screw up this thread (no pun intended) right from the start. On the outside chance that I missed a way to screw it up, I am going to have one more go at it.
Title: Re: What size hex wrench??
Post by: Keith Spriggs on January 29, 2008, 06:05:15 PM: Quote from: Bill Little on January 29, 2008, 09:30:19 AM
Man, I got an IQ over 150

Hmmm I guess you and I together would be in the 200 range.
Title: Re: What size hex wrench??
Post by: Bob Disharoon on January 30, 2008, 06:29:54 AM: It's the third one from the smallest on the set H^^
Title: Re: What size hex wrench??
Post by: john e. holliday on January 30, 2008, 08:58:16 AM: I guess I am weird, but, when I can't find a wrench thats fits I head for my local ACE Hardware Store. I have learned that if they don't have peice of hardware I need, it isn't to be found.