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Author Topic: Small Journal Crankshaft Sludge Trap Plug.  (Read 432 times)

Offline 7iain7

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Small Journal Crankshaft Sludge Trap Plug.
« on: 16.12. 2023 17:03 »
Merry Christmas all.

I want to clean up the slug trap threads on a Small Journal Crankshaft.
Can any one tell me what size tap I need.

Many thanks, Iain
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52 A10

Online berger

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Re: Small Journal Crankshaft Sludge Trap Plug.
« Reply #1 on: 16.12. 2023 17:08 »
it is 5/8ths 20 tpi
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Offline 7iain7

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Re: Small Journal Crankshaft Sludge Trap Plug.
« Reply #2 on: 16.12. 2023 17:19 »
Thank you
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Online limeyrob

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Re: Small Journal Crankshaft Sludge Trap Plug.
« Reply #3 on: 16.12. 2023 19:54 »
Try e-bay, I'm doing this job on a big journal crank at the moment and got a new Dormer 7/8 BSF tap off e-bay for £8 inc postage.  There's probably no demand.  I got a bottom tap as I wanted to scrape a lot of carbon out the threads.
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