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WTB!!! 7/32 - 26 tpi 1" long + #781502 08/15/19 2:18 am
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rocketscientist Offline OP
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Just like it says.....I need to find 2 bolts for my 65 BSA rear sprocket on the Bantam. The stock bolts are 7/32 x 26 TPI CEI / BSC 5/8" long.
My sprocket is damaged, so I need to go another 3/8s or so into good threads to hold the sprocket. 1" long or more, I'll cut as needed.

Used bolts are certainly fine. The stockers are reduced heads, but I can reduce "regular" size head bolts. I've got time and a grinding wheel!

Just to repeat....I need them 1" long. not stock length

TO NJ!!
Anyone?????????

Attached Files 20190814_213830_resized.jpg
Last edited by rocketscientist; 08/15/19 2:19 am.
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Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781513 08/15/19 4:27 am
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whatever hapt to that company that sold all kinds of bolts ? cant think of the name but i can see the catalog in my mind. they sold taps and british stuff.

Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781527 08/15/19 11:58 am
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rocketscientist Offline OP
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any hardware place that I fine, skips right from 3/16 to 1/4. Same with my tap/die sets. 7/32 is a real oddball. I just ordered a tap and die from the UK from "Tracy Tools LTD" . I'll make the bolts if I can't find them.

Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781530 08/15/19 12:45 pm
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Can you re-tap them to 1/4"?

Ed from NJ

Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781541 08/15/19 3:24 pm
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Carrying on from Ed's suggestion, the other possibility is to re-tap the holes to 6mm x 1 ... which is only about 0.016" larger in diameter from the original, and the thread pitch is within 0.4mm. New M6 x 25mm bolts will also be easy to find at a local store.

.. Gregg


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Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: gREgg-K] #781580 08/15/19 10:18 pm
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A 7/32" bolt is proof that the devil has a sense of humor .

It was used for 99 years on sturmey Archer bike parts ( Raleigh Bicycles) ...
For Brake lever pivots and fender/chain guard bolts

Find the oldest operating bike shop in NJ ... they will have 99 of them they can't get rid of

Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781589 08/15/19 10:55 pm
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Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781595 08/15/19 11:11 pm
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rocketscientist Offline OP
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I don't want to tap it to a different size. there are 8 total....I only need 2 with a longer length. NOT available at britishfasteners. I looked with the search engine.

Taps and Dies are incoming....so I 'll just make my own........

Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781604 08/16/19 12:20 am
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Found some !
Yeah too late ...sorry . And the listing just say longer then stock ... but not how much longer .
Scaling the pic , they look roughly about an inch , maybe longer .

I went out and measured 2 of the 8 bolts on my mountain cub rear sprocket.
They appear to be the same as used on the bantam.
Mine are 7/32 Shank x 3/8 threaded and 5/8 effective length ... reduced head (1/8 ww spanner)
... oh no , tiny bicycle bolts
Holding on the rear sprocket. !

These are from the listing [Linked Image from i.ebayimg.com]

Anyway , here is the listing ,

Last edited by Morgan aka Admin; 08/18/19 7:01 pm.
Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781607 08/16/19 12:40 am
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rocketscientist Offline OP
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those should work. Heres' the issue. the shorter (stock) ones, are 5/8" overall. I have 2 that have broken out the side. One, was cracked and I could weld it. the other, the piece is long gone. There is more hub available, just need to tap it, and put in the longer bolt. True, not alot of purchase for the one with the missing side....but its better than nothing.

Attached Files 20190815_203109_resized.jpg
Re: WTB!!! 7/32 - 26 tpi 1" long + [Re: rocketscientist] #781616 08/16/19 3:20 am
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The casting is no doubt full of grease ... but id see if you could find someone to tig- fill the missing metal and retap with longer bolts ?
It's going to be a better job of it if the bolt clamps against metal .

I would try a high content Silver solder myself , and do it at home , but dont tell anyone


Your hub looks suspiciously like the hub on my 67 mountain cub .
Ive never had it apart or needed to check for parts numbers or cross reference with other models .

You're probably not looking to rebuild the wheel

But here's a cub hub on flea bay [Linked Image from i.ebayimg.com]

And the link








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