<div dir="ltr">Mirek,<div><br></div><div>Here's what I have for threads forms on Austin Healey 100s...</div><div><br></div><div><p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">So
how many thread forms are in a 100?</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt"> </span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><u><span style="font-size:11pt">Whitworth</span></u></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">British
Standard Fine (BSF)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">British
Standard Whitworth (BSW)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">British
Standard Pipe Parallel (BSPP)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">British
Standard Pipe Tapered (BSPT)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">British
Standard Brass (BSB)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt"> </span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><u><span style="font-size:11pt">Other
British fasteners</span></u></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">British
Association (BA)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">British
Standard Cycle (BSC)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">Unified
National Fine (UNF)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">Unified
National Coarse (UNC)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">Unified
Numbered Machine Screws. These machine screws are just an extension of UNF and
UNC fasteners. (Most common are n. 10-32 Phillips head screws found extensively
on all big Healeys and Sprites.)</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt"> </span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><u><span style="font-size:11pt">Other
miscellaneous thread forms</span></u></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">SAE
Standard threads for spark plugs</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">Various
wood and sheet metal screw threads                                                                                         
</span></p>

<p class="gmail-Standard" style="margin:0in 0in 0.0001pt;font-size:12pt;font-family:"Times New Roman",serif"><span style="font-size:11pt">Tyre
valve threads</span></p><div><br class="gmail-Apple-interchange-newline">Cheers,</div><div><br></div><div>Curt</div></div></div>