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Unread 31-08-2015, 11:18
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InFlight InFlight is offline
3574 - The King's of Bling
AKA: Jim
FRC #3574 (High Tekerz)
Team Role: Mentor
 
Join Date: Mar 2014
Rookie Year: 2012
Location: Seattle Area
Posts: 165
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Re: Tapped Holes vs Bolt an Nut

I generally prefer bolted connections when possible as they are less labor intensive.

When tapping soft items like plastic or aluminum you need to use need to use a smaller tap drill that will leave 75% of the threads remaining. Most standard tap & drill charts are for steel which is designed for 50% thread remaining. Make sure to use a tap chart that has both aluminum and steel drill sizes.

It is a very good investment to purchase better high speed steel Taps in the few sizes that you use. You will also need a full set of numbered and fractional drill bits or at least the ones to support the size of taps you intend to use.
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Last edited by InFlight : 31-08-2015 at 11:23.