Fitting swivel studs

[u.k.neil]

Hi, how do you select the correct size drill bit to drill the pilot holes when fitting swivel studs?

many thank's in advance.

Measure the screw root diameter:-

http://s16.photobucket.com/user/UK_N...441e1.jpg.html


Get a drill same size as root or very slightly larger:-


http://s16.photobucket.com/user/UK_N...e8ed2.jpg.html



Drill hole:-


http://s16.photobucket.com/user/UK_N...528ad.jpg.html


Neil