A bolt with a single raised dash on the head is classified as which type of bolt?

Prepare for the Aviation Institute of Maintenance Block 2 Exam. Study with interactive questions and detailed explanations, honing your skills for a successful outcome!

Multiple Choice

A bolt with a single raised dash on the head is classified as which type of bolt?

Explanation:
In the Army-Navy (AN) fastener system, the mark on the bolt head identifies its material. A single raised dash on the head denotes a corrosion-resistant steel bolt. This type is chosen when corrosion resistance is important, helping ensure the fastener behaves similarly to the surrounding materials in environments where exposure to moisture or chemicals is a concern. The dash pattern distinguishes it from other AN bolts made of plain steel, aluminum, or high-strength variants, which use different markings or none at all. So, that one raised dash specifically signals corrosion-resistant steel, making it the best fit for the given description.

In the Army-Navy (AN) fastener system, the mark on the bolt head identifies its material. A single raised dash on the head denotes a corrosion-resistant steel bolt. This type is chosen when corrosion resistance is important, helping ensure the fastener behaves similarly to the surrounding materials in environments where exposure to moisture or chemicals is a concern. The dash pattern distinguishes it from other AN bolts made of plain steel, aluminum, or high-strength variants, which use different markings or none at all. So, that one raised dash specifically signals corrosion-resistant steel, making it the best fit for the given description.

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