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what size of drill bit and tap would I use to accommodate this set screw?

Asked on 10/27/2015 by Galen Evens

Top Answer

Tap - 1/4-28 UNF Tap Drill is #3 which is .213" If you don't have a number drill set you can use 7/32 which is .218. It tapping stainless be sure to use a good tapping lube.

Answered on 10/28/2015 by RICHARD BROWN
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it is for an engineering Capstone project for TAMUCC

Answered on 10/27/2015 by Galen Evens


What we have found for the best fit is a #3 drill bit and a 1/4"-28 tap. Hope this helps.

Answered on 10/28/2015 by TOMMY HAMBY


Three sets screws will be used at 0, 90, and 180 degrees through aluminum to hold in place a 1/2 inch shaft from rotating, due to applied radial forces

Answered on 10/27/2015 by Galen Evens
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