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12-17-2009, 08:00 AM
| #1 |
| RCC Addict Join Date: Feb 2006 Location: Bellflower, CA
Posts: 1,028
|  Socket cap grub screw?...Is there such a thing?
Im looking for a metric socket head cap screw with knurls at the end of the screw. Does anyone make one? I know setscrews have the serations at the screw ends but ive never seen a regular cap screw have them. Im looking for this for my hot racing dig. Its gonna be holding the collar that attaches the shifter arm to the servo horn. Right now a regular cap screw holds a ball end to the collar which grabs onto the dig engagement shaft but its got no knurls so even if i tighten it down it can still be moved (with some force). I want it to "grab" on the shaft. Any other ideas out there in case they dont make this kind of screw?
Last edited by ser3100; 12-17-2009 at 08:03 AM. |
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12-17-2009, 08:45 AM
| #2 |
| RCC Addict Join Date: Aug 2009 Location: Earth?
Posts: 1,698
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Might want to post some picks... I dont think Ive ever seen anything like what you are talking about in a small RC screw. Maybe check and see what everyone else is using for this setup, you may find a easy-er way to do it.
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12-17-2009, 08:53 AM
| #3 |
| RCC Addict Join Date: Feb 2006 Location: Bellflower, CA
Posts: 1,028
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Will do when i get home. I think i might have a way. Ill try it out and go from there.
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12-17-2009, 09:59 AM
| #4 |
| Rock Crawler Join Date: Feb 2008 Location: UK
Posts: 818
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Either file the end of the screw with a fine Swiss file (make a few shallow cuts across the diameter) or file a flat on the shaft so that the screw has something to bite on.
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12-17-2009, 06:25 PM
| #5 | |
| Quarry Creeper Join Date: Oct 2009 Location: Wells VT.
Posts: 311
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12-17-2009, 07:06 PM
| #6 |
| RCC Addict Join Date: Feb 2006 Location: Bellflower, CA
Posts: 1,028
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Cool. I got mine done. The tricky part was I'm running MIP ds and they are bigger than stock DS so I had to dremel some of the link off. Now I need to brace the bottom of the servoe cause it moves a little when the dig arm moves back and forth.
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12-17-2009, 07:12 PM
| #7 | |
| No idea what I'm doing Join Date: Oct 2008 Location: Underground, CO
Posts: 4,529
| Quote:
What if you used a longer set screw with the knurls that you need, to tighten onto the shaft, and then use a nut on the exposed end to tighten the set screw in place? | |
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