Wing End Plate & Body Panel Aero Washers

Aluminum Wing plate washers are available in 1.0" diameter and 1.5" diameter.
They have a tapered profile and are Black MIL SPEC Hard Coat Anodized. Bolt heads mount flush with the washer face.

They are specific to the fastener size and countersink.
All are designed for countersunk / flat head fasteners.
Packages of 10 – $29
1.0″ dia – #10 (3/16″) SAE 82 degree countersink
1.0″ dia – 1/4″ SAE 82 degree countersink
1.5″ dia – 1/4″ SAE 82 degree countersink

1.0″ dia – 6mm 90 degree countersink
1.5″ dia – 6mm 90 degree countersink