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I want to buy some 1/4" and 5/16" dowty washers but they only seem to be available in BSP or metric. How critical are the sizes? I'm not sure if 1/8 BSP is the same as 1/4" bore as the conversion chart I checked show them being 6mm!
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Location: Cheshire
Car type: Race Ulster, 1926 Special, 1927 Chummy, 1930 Box
22-09-2022, 10:22 PM
(This post was last modified: 22-09-2022, 10:24 PM by Alan.)
Try Demon Tweaks and ask for Mocal bonded seals. They had them in imperial sizes last time I needed any
Alan Fairless
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Thank you Alan. I can't see them on their website but I'll give them a call when they open.
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Hitchcock motorcycles on 01564 783192 list 8mm for a more sensible price than ebay.I bought some 7mm a while ago to substitute 1/4 but have'nt tried them for sump sealing yet.