The system of coil and the screw is called
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The system of coil and the screw is called pilot hole.
Explanation:
- A pilot hole is a smaller hole drilled into a material prior to a larger hole being drilled widening the hole to the desired width.
- By drilling a small pilot hole into the material into which a screw is then driven less wedging takes place thereby reducing the likelihood of the material being split.
- A pilot hole is a small hole drilled into a piece of construction material.
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Answer:
the system of coil and screw is called pilot hole.
Explanation:
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