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  #1  
Old 02-02-2011, 09:01 PM
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aarvig aarvig is offline
 
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Default What size drill bit for a #6 screw?

I am dimpling (#6) the trim reinforcement plate on the left elevator of my RV-9A. The plans call to dimple for a #6 screw. What drill size should I use to match drill these holes and can I assume that a #6 screw uses a #6 dimple die?
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  #2  
Old 02-02-2011, 10:05 PM
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LifeofReiley LifeofReiley is offline
 
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Quote:
Originally Posted by aarvig View Post
I am dimpling (#6) the trim reinforcement plate on the left elevator of my RV-9A. The plans call to dimple for a #6 screw. What drill size should I use to match drill these holes and can I assume that a #6 screw uses a #6 dimple die?
#28 drill bit for a #6
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  #3  
Old 02-02-2011, 10:10 PM
alpinelakespilot2000 alpinelakespilot2000 is offline
 
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Get a catalog from Cleaveland Tool. They have a great pull out poster with all the rivet, screw, bolt and drill sizes that you can put on your shop wall.
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  #4  
Old 02-03-2011, 01:53 AM
sf3543 sf3543 is offline
 
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For a 6-32 screw, a #27 or #28 drill will provide close tolerance for the screw to fit through. A #35 or #36 drill is used if you are going to tap threads for a 6-32 screw. Here's a chart example.. http://www.physics.ncsu.edu/pearl/Tap_Drill_Chart.html
There is a special dimple die for a #6 screw that you can get from Avery or Cleaveland, etc. http://www.cleavelandtoolstore.com/p...number=DIE5096 for an example from Cleaveland.
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  #5  
Old 02-03-2011, 07:16 AM
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aarvig aarvig is offline
 
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Default That was easy!!

Thanks for all the help guys. Steve, I printed off the charts you provided the link to as well as located the chart in the cleaveland tool catalog. They will do the job.
Thanks again!
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