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| Tweet Topic Started: May 20 2012, 12:06 AM (543 Views) | |
| jonny h | May 20 2012, 12:06 AM Post #1 |
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this is how i roll!
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i need to know a thread size .. its imperial or AF or what ever you call the NON metric size. .. a M6 nut is a little too big so what ever is the size just below M6 is what im looking for, i know its not a 1/4" as thats too big and thats all i have found in local shops :blink: |
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| Leigh | May 20 2012, 06:49 AM Post #2 |
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Knight
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The next standard imperial size down would be 3/16 which is just under 5mm. If that's the case then it's most likely a BSF, BSW or 2BA thread. If you can measure the pitch (threads per inch) you'll know BSF is 32 TPI BSW is 24 TPI 2BA is 31 TPI If it's none of the above, you'll find the data here http://www.green-oval.com/data/zeus.pdf Being an old fart helps sometimes :lol: |
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| jonny h | May 20 2012, 08:25 AM Post #3 |
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this is how i roll!
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hmm .. if 3/16 is just under 5mm .. does that mean its smaller than a M5 bolt? i have to ask as the stupid bolt im having problems with nearly takes a M6 but you can just about slide the nut over the threads, and a M5 nut is massively to small. maybe i should just take the back light apart and see if i can change the bolts grrr |
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| Monty | May 20 2012, 08:43 AM Post #4 |
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Charlie Big Banana's
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Did you not get all the fixings with the light, I would have thought a nut and washer would be a std thing, It could be a badly cut thread, the die may have been closed up to much, did it come from america, as they still use weird english threads, whilst rest of the normal world use metric now |
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If it aint sharp I can play with it My Utube Channel, lots of bike vids here. Subscribe if you likehttp://www.youtube.com/user/choppermark?feature=watch
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| jonny h | May 20 2012, 11:24 AM Post #5 |
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this is how i roll!
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it was a custom made light monty .. i think stelios had it made. when it started miss behaving i took it off and although im 100% sure i screwed the little nuts back on it i now cant find them for love nor money. i think i'll just pull it apart and see about glueing some M6 bolts in there before i go loopy |
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| Monty | May 20 2012, 12:58 PM Post #6 |
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Charlie Big Banana's
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Ah, its a greek tail light then, so should be metric. Forgot Stel had the bike before Rich. probably is 2 BA then |
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If it aint sharp I can play with it My Utube Channel, lots of bike vids here. Subscribe if you likehttp://www.youtube.com/user/choppermark?feature=watch
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| Leigh | May 20 2012, 03:25 PM Post #7 |
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Knight
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It could be 2BA but 2BA is 3/16 OD, and it sounds like that's too small if M5 is too small. 3/16" is around 4.6mm. Having worked with imperial threads for years as a machinist in the 70s / 80s I can't think of any imperial threads between 1/4" and 3/16". That would be 7/32" and I'm almost positive there is no BSW, BSF, BA, or even UNC thread which is 7/32" OD. Strange.. |
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| jonny h | May 20 2012, 04:02 PM Post #8 |
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this is how i roll!
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"edit" i would take the light off and see about changing the weird bolts if the bloody nut that holds the seat on wasnt frigging spining :angry: , the same nut that i glued in place because this has happened before :rant: |
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| Monty | May 20 2012, 04:15 PM Post #9 |
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Charlie Big Banana's
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You need Badco's grinder with attitude |
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If it aint sharp I can play with it My Utube Channel, lots of bike vids here. Subscribe if you likehttp://www.youtube.com/user/choppermark?feature=watch
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| jonny h | May 20 2012, 04:36 PM Post #10 |
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this is how i roll!
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i will drill it out as before , i dont see what else i can do to stop these seat nuts from spinning. stupid bloody design |
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| Rob 110 | May 20 2012, 06:20 PM Post #11 |
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God
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not for long, it'll change back to drachma :D |
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| bighit | May 20 2012, 06:34 PM Post #12 |
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outta here
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you can get T nut things that they use in wood and the like . i got then on ebay . http://www.kids-climbing-holds.com/wall_ha...rong_t-nuts.htm i got 8mm ones and put them on the seat of my stolen bike . about a week before it was stolen i may add lol
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| jonny h | May 20 2012, 09:50 PM Post #13 |
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this is how i roll!
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cheers big , might have to give them a try |
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