<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Sure. But the requirement of carrying ONE metric tool for a vintage all-SAE vehicle is understandably irksome. Plus, it means that tool isn’t in the drawer for when one is working on a modern metric vehicle.<div class=""><br class=""><div class="">
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<div><br class=""><blockquote type="cite" class=""><div class="">On May 22, 2020, at 11:44 AM, Osborne, Paul <<a href="mailto:paul@ece.rochester.edu" class="">paul@ece.rochester.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">

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In fear of my comment,,, a good set of mechanic wrenches, metric, has all the sizes in 1mm increments. The set you buy from say HF or even Sears Cobalt  does not. 
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<div class="">paul o</div>
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<div class="">On May 22, 2020, at 1:45 PM, Max Heim via Mgs <<a href="mailto:mgs@autox.team.net" class="">mgs@autox.team.net</a>> wrote:</div>
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<div dir="auto" class="">What Barney said. I was recently extremely irritated to find that the only rear wheel brake cylinders I could buy for my 1967 Plymouth had 7mm hexes on the bleeders. Who even has a 7mm wrench? And when I bought a cheap set of small
 metric wrenches just for this purpose, the fit was so bad it rounded off the equally cheap hex.
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<div class="">I tapped out the holes and installed SAE (I think 5/16) bleed screws.<br class="">
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<div dir="ltr" class="">Sent from my iPad</div>
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<blockquote type="cite" class="">On May 22, 2020, at 10:04 AM, Barney Gaylord via Mgs <<a href="mailto:mgs@autox.team.net" class="">mgs@autox.team.net</a>> wrote:<br class="">
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<div dir="ltr" class=""> Actually it's the other way around.  When these things are manufactured overseas, metric hex stock is common while imperial dimension stock is near impossible to source.  Result is that replacement parts are often delivered with metric
 dimensions, so we are now forced to be adding metric tools to our traveling tool kits.<br class="">
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At 12:31 PM 5/22/2020, Robert's New iPad via Mgs wrote:<br class="">
<blockquote type="cite" class="cite" cite="">   Perhaps there is, or one can be extrapolated from their listing for different cars, in which they say that all metric-thread SBs are SAE wrench size, because metric stock is more expensive.<br class="">
   To continue research, we must go to McMaster-Carr and see if their hex stock costs more in the larger sizes, and how much. 
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<blockquote type="cite" class="cite" cite="">On May 22, 2020, at 11:11 AM, Dan DiBiase <<a href="mailto:dan.dibiase@gmail.com" class="">dan.dibiase@gmail.com</a>> wrote:<br class="">
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<blockquote type="cite" class="cite" cite="">Is there a technical or logical reason they are all different?<br class="">
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Dan D<br class="">
'76B, '65B<br class="">
Central NJ USA<br class="">
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<blockquote type="cite" class="cite" cite="">On Fri, May 22, 2020 at 10:42 AM Osborne, Paul via Mgs <<a href="mailto:mgs@autox.team.net" class="">mgs@autox.team.net</a>> wrote:
<dl class=""><dd class="">It would have good if when they made them if all the same wrench size. It is a PIA, 3 diff. sizes.
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</dd><dd class="">met 3 cents. <br class="">
</dd><dd class="">paul o</dd></dl>
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<dl class=""><dd class="">On May 21, 2020, at 4:11 PM, Robert's New iPad via Mgs <<a href="mailto:mgs@autox.team.net" class="">mgs@autox.team.net</a>> wrote:<br class="">
</dd><dd class="">  One kind lister recommended Speed Bleeders a couple of weeks ago, and I bought them for my MGB, SB 3824 for front brakes, SB 1428 for rear, and SB 71620 for the clutch.  It was time to change the hydraulic fluid, so seemed opportune to install
 these. </dd><dd class="">  Thanks for the recommendation.  They made the job quick and neat. </dd><dd class="">  Instructions are OK, but let me add that one should try to pinch the brake lines with ViceGrips to minimise loss of fluid, and pinch the clutch line even if you don’t do the others.   All three SBs were of different wrench size from original
 bleed screws.  Have wrenches ready for both sizes. </dd><dd class="">  We had two cars to do, hence had two people. What the observer learned, watching from underneath, was that three pumps for each wheel will bring clear, clean fluid to both front and rear brakes. 
</dd><dd class=""> $38 well spent. </dd><dd class="">Bob </dd></dl>
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<div class=""><p class="MsoNormal" style="margin: 0in 0in 12pt; font-size: 12pt;">Paul Osborne<br class="">
Department of Electrical and Computer Eng<br class="">
University of Rochester <br class="">
201 Hopeman Building RC<br class="">
Rochester NY 14627<br class="">
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<div class="" style="orphans: 2; widows: 2;"><span class="Apple-style-span" style="font-size: 16px;">   585-275-5226</span><span class="Apple-tab-span" style="white-space: pre;">
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