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Question

Difficulty: EasyFasteners and Joints

Arrange the following steps in the correct chronological order to properly install a standard bolt, flat washer, and nut to securely join two metal plates.

  1. 1Align the pre-drilled holes in the two metal plates.
  2. 2Insert the bolt through the aligned holes.
  3. 3Place the flat washer onto the threaded end of the protruding bolt.
  4. 4Thread the nut onto the bolt and tighten it against the washer.

Answer

The correct sequence is to first align the holes, then insert the bolt, followed by placing the washer, and finally threading and tightening the nut.
A secure bolted joint requires a logical build order. First, the components must be aligned so the fastener can pass through. Second, the bolt is inserted to hold the alignment. Third, the washer is added to the threaded side to distribute the clamping force over a wider area. Finally, the nut is threaded on and tightened to clamp the pieces together.

Step-by-Step Solution

1
Identify the foundational alignment step.
Aligning the pre-drilled holes in the two metal plates.
Fasteners require a clear path through the materials being joined.
2
Determine the primary insertion step.
Inserting the bolt through the aligned holes.
The bolt serves as the core structure of the joint and must be in place before accessories are added.
3
Identify the load distribution step.
Placing the flat washer onto the threaded end of the protruding bolt.
The washer must sit between the metal plate and the nut to prevent damage and distribute pressure.
4
Determine the securing step.
Threading the nut onto the bolt and tightening it.
The nut locks the entire assembly together and must go on last.

Key Concept

Basic Fastener Assembly Sequence
Estimated Time:45s
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Topics

Fasteners and Joints

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