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Tool Talk Discussion Forum

Allen wrench size

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Bus Driver

04-19-2008 09:13:21




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Trying to rebuild a heavy-duty Senco stapler. The repair kit has new screws, but no wrench. I have both fractional and metric hex wrenches, but none are the proper size. The screws measure 0.132 internally across the flats using a dial caliper. That does not match any standard wrench, fractional or metric. Is this a proprietary size for Senco. I may have to grind a larger wrench to fit. Such efforts often do not result in a good fit.

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Bus Driver

04-21-2008 08:42:43




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
It is an Allen wrench. The 9/64 size. The first two sets I tried did not have that size. Found the bit in the "100 piece" set I have. That set has Torx bits also. Thanks to all who tried to help.



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Vern-MI

04-23-2008 04:55:36




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 Re: Allen wrench size in reply to Bus Driver, 04-21-2008 08:42:43  
Thought about that but 9/64" is 0.140" and the actual allen wrench measures 0.138" so didn't think it would fit the 0.132" size hex screw that you have.



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Kentb of SWMO

04-20-2008 13:40:36




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
Small TORX and allen are hard to tell apart. If allen will not work try Torx keys.

Kent



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flying belgian

04-20-2008 06:06:53




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
sometimes you can get an easy-out to work.



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guido

04-20-2008 05:37:20




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
Hello Busdriver.
If it is a x screw and it looks like a philip screw it is most likely a phillister,not sure of the spelling, it is english and is available from tool retailer like snap-on.
I have one somewhere but was special type for Radio controlled english made cars . Guido.



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Roy Suomi

04-20-2008 04:09:36




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
I have out of desperation stuck an allen wrench into a cell of an old car battery overnight..You might want to monitor it a couple of times to see how fast it"s working..I wouldn"t do it with a good battery, A junker will suffice...



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DADDY E

04-19-2008 20:04:54




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
BRITISH USED WRENCH SIZES--B.A, BSF, AND WHITWORTH. THEIR ALLEN KEYS ARE THE SAME SIZE AS OURS..... .....ELDON



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Little Ed

04-19-2008 19:24:51




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
You might try using a torx on it even if it is a hex. Get one slightly oversize and tap it in place. I have taken out many stripped allen heads thils way.



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Gerald J.

04-19-2008 12:46:01




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
Its almost sure to be Torx. Torx sizes were chosen to not accept allen wrenches.

Gerald J.



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Bus Driver

04-19-2008 14:32:12




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 Re: Allen wrench size in reply to Gerald J., 04-19-2008 12:46:01  
Not Torx. It is hex shape.



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Gerald J.

04-19-2008 15:24:57




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 14:32:12  
Been there, thought I saw that. Its TORX. T-15 by my measurement is just under 0.132" across the hex. Try it.

Gerald J.



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Bus Driver

04-20-2008 04:23:19




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 Re: Allen wrench size in reply to Gerald J., 04-19-2008 15:24:57  
I will try the Torx on Monday. I do appreciate the interest shown in this situation.



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Dell (WA)

04-19-2008 14:55:52




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 14:32:12  
BD..... ..I know you claim it ain't torx 'cuz it looks hex. torx are 6-point, hex is 6-point. and the difference is??? Ol'cuzzin week-eyes would try a torx-tip for fitment ennyways, might work. Sometimes holes gitt filled or distorted, its called perversity of inanimate objects..... ..Dell



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M Moline Fan

04-19-2008 12:40:50




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
A thought-- if all else fails in a case like this, I have at times used a thin cut off wheel and made a screw driver slot. Depends on what you're doing...



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oldrustycars

04-19-2008 10:02:18




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
Link
Heres a conversion chart, maybe it'll help. Please let us know what you find out, now i'm curious.



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oldrustycars

04-19-2008 09:57:08




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
Have you looked at the Senco web site? Thay have manuals there that might shed some light. The company is in Ohio, but that doesnt mean they might not have metric or Whitworth fasteners. I'd try taking the tool to a good hardware store and try Allen wrenches in the fasteners on the chance one is missing from your set. FYI, I bought an Allen wrench set that goes in a box like a drill bit index, its very complete and you can see right away if one is missing.

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Chuck (CA)

04-19-2008 09:40:46




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
Could it be a Torx head?
Looks similar.



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old

04-19-2008 09:29:20




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 Re: Allen wrench size in reply to Bus Driver, 04-19-2008 09:13:21  
Is it by chance made in England?? If it is they use a sort of odd size wrench on all there stuff. Not S.A.E or metic so you might need to see if you can find some made for British stuff



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