Aircraft bolts with a cross or asterisk marked on the bolthead are

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

Aircraft bolts with a cross or asterisk marked on the bolthead are

Explanation:
A bolt head with a cross or asterisk is a marking used to identify standard steel bolts. This tells you the bolt is not stainless, titanium, or aluminum, and is typically used where standard steel properties are sufficient for the joint. Knowing this helps you choose appropriate torque values, coatings, and compatibility with surrounding materials, since each material has different strength and corrosion characteristics. Other materials have their own identifying marks and are selected for their specific properties, which is why a cross or asterisk specifically points to standard steel.

A bolt head with a cross or asterisk is a marking used to identify standard steel bolts. This tells you the bolt is not stainless, titanium, or aluminum, and is typically used where standard steel properties are sufficient for the joint. Knowing this helps you choose appropriate torque values, coatings, and compatibility with surrounding materials, since each material has different strength and corrosion characteristics. Other materials have their own identifying marks and are selected for their specific properties, which is why a cross or asterisk specifically points to standard steel.

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