Polytechnic · Technical Drawing · Interactive drawing lesson

Serrated shafts (internal)

Serrations inside a clamped boss. Learn serrated shafts (internal) step by step in an interactive Polytechnic technical drawing lesson.

What you will learn

This guided practical demonstrates the construction on a drawing board and explains the method in a clear sequence.

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• Serrated shafts (external) — Fine serrations round a shaft.
• Serrated shafts (internal) — Serrations inside a clamped boss.
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