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60 degree countersink
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3rd January 2019, 06:39 PM
carl_byrne
Engineer
Full Name: Carl Byrne
Join Date: Nov 2007
Location: Wales
Posts: 3,093
Andy, are they imperial screws - bsf, bsw ? If so, the countersink will be 82 degrees, not 60 degrees.
I am not aware of any general purpose screws that have a 60 degree head.
Just a thought.
Cheers Carl.
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