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Are you Standard System literate? Are you Metric System literate?<br>
<br>
By answering the following question, you can determine objectively
which is the right system for YOU: (I am assuming there is no right
system for everyone!)<br>
<br>
<br>
"Standard" System:<br>
You have a # 12 size screw and you want to drill the clearance hole
.020" larger than the screw shank. Which drill do you use?<br>
a) #1 size drill bit<br>
b) "A" size drill bit<br>
c) 15/64 " drill bit<br>
<br>
Metric System:<br>
You have a 5.5 mm screw and want to drill the clearance hole 0.2 mm
larger than the screw shank. Which drill do you use?<br>
a) 57 mm drill bit<br>
b) 5.7 mm drill bit<br>
c) 5.3 mm drill bit<br>
<br>
Remember, no peeking in books, charts, and tables :^)<br>
Jurgen Goering<br>
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