the system of coil and screw is called?
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Answer:
the system of coil and screw is called pilot hole
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Answer:
The system of coil and screw is called as pilot hole.
Explanation:
A pilot hole usually allows the screw threads to cut directly into the hole which reduce the risk of splitting wood near an edge. It is helpful in the conditions of precise screw locations. Pilot holes are very important in drilling of hardwood or laminate. The depth of pilot hole is of the same length of the screw or the nail and the diameter of pilot hole is as same as of neck of the screw. A pilot hole for the screw may or may not be important.
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