Brad93
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- Essex, United Kingdom
Anyone know what thread form these oil nipples are?
A 5.20mm drill fits perfectly in the hole, nearest tapping drill imperial size would be 13/64”. They’re not a particularly fine thread.
I’m siding with 1/4” Whitworth.
But could be 0BA?
A 5.20mm drill fits perfectly in the hole, nearest tapping drill imperial size would be 13/64”. They’re not a particularly fine thread.
I’m siding with 1/4” Whitworth.
But could be 0BA?