Cad Plated Hex Head Bolt, Undrilled Shank | AN5-51A 2025 Cheap Online

Bolt: Hex Head,Steel, Undrilled Shank – 2Pk | AN5-51A

Aviation Hardware – AN3 – AN8 cadmium-plated steel bolts (drilled and undrilled). CADMIUM-PLATED BOLTS CONFORM TO QQ-P-416; CORROSIONRESISTANT STEEL BOLT CONFORMS TO MIL-B-6812. Available with or without single hole through shank and/or single hole through head. Part numbers as shown are for drilled shanks (e.g., AN3-3); for undrilled shanks, add ”A” at the end of the part number (e.g., AN3-3A); for drilled heads, replace the dash with an ”H” (e.g., AN3H3); for corrosion-resistant steel bolts, replace the dash with an ”C” (e.g., AN3C3).

These bolts are mainly used in aviation applications. When using, make sure to choose the correct part number according to your needs. For example, if you need a drilled shank, use the regular part number; for an undrilled shank, add ‘A’ at the end. When installing, ensure a proper fit. As for maintenance, keep them dry to prevent rust. If they get dirty, clean them gently with a soft cloth. Avoid using harsh chemicals that might damage the cadmium plating.