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<p>BA screws are mainly used for small items. E.g. the SU fuel pump
uses 2BA and 4BA (even today on Burlen SU replacement pumps) and
very possibly some of the instruments use BA threads as well.</p>
<p>Kees Oudesluijs</p>
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<div class="moz-cite-prefix">Op 21-2-2019 om 22:55 schreef mike
brooks:<br>
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I hesitate to write this as I am effectively arguing with people
far more knowledgeable than I am. However, I have several times
noticed that people are saying that 10 32 bolts or screws were
used on Healeys when I know they are actually 2BA. Although UK
started using UNC and UNF bolts and screws as Whitworth and BSF
went out of fashion ( and prior to metrication), the small
Unified sizes that had numerical- only designations (like 8, 10)
were very rarely used in the UK, where we carried on with BA for
the smaller sizes.
<div id="yMail_cursorElementTracker_1550785863649"><br>
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<div id="yMail_cursorElementTracker_1550785865399">Rgds</div>
<div id="yMail_cursorElementTracker_1550785866493"><br>
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<div id="yMail_cursorElementTracker_1550785867721">Mike Brooks</div>
<div id="yMail_cursorElementTracker_1550785871751">BN2 Scotland<br>
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