Van's Air Force
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Degree countersink #10 screws
- Thread starter Brettc
- Start date
The #10 screws have 100 degree heads, the countersunk pulled rivets used on our RVs typically have 120 degree countersunk heads, though in the latter case I believe Vans mentions just using a 100 degree dimple or cutter for them, in the build instructions.
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AN426 rivets have a 100 degree head.
From our bible:
"e. Countersunk head rivets MS20426
(supersedes AN426 100-degree) are used on the exterior surfaces of aircraft to provide a smooth aerodynamic surface, and in other ap- plications where a smooth finish is desired. The 100-degree countersunk head has been adopted as the standard in the United States."
You might be thinking of pulled rivets.
From our bible:
"e. Countersunk head rivets MS20426
(supersedes AN426 100-degree) are used on the exterior surfaces of aircraft to provide a smooth aerodynamic surface, and in other ap- plications where a smooth finish is desired. The 100-degree countersunk head has been adopted as the standard in the United States."
You might be thinking of pulled rivets.
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