20th December 2008

Screw countersink diameters

Posted in Spars & Skeleton

Post for reference: this is the diameter of the finished countersinks for #6 and #8 screws.  From Brad Oliver via Mike Bullock (post here / also on VAF here):

#8: 0.365″ – 0.375″ (Fuel Tank Screws)
#6: < 0.3125″ (Inspection Panel Screws)

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