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Remove the rust and beheaded screw tips
by：Waxing
2020-11-13
Remove the rust and beheaded screw there are tricks - 2019
02 -
06 in the farm machinery repair, often meet with rust and severed head screws, many machinist were baffled, some damage due to raw twist hard pull screws and parts.
The following a few action, might as well give it a try.
1, remove the rust of the screw, nut.
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1)
The rust of the nut tighten 1/4 turn slowly, back again, again and again tight pine can be wrung out.
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2)
Hammer percussion screw or nut, make rust layer after earthquake scattered or screw out easily.
Be careful not to screw tap head deformation.
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3)
With kerosene screw screw out again after 30 minutes.
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4)
With heating burner nut, nut screw out immediately after the heat expansion.
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5)
The screw with some liquid is soaked with 'live wrench can be wrung out easily.
2, remove the severed head screw.
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1)
If the screw section above parts surface, hacksaw saw slots are available, and then depending on the screw with a screwdriver and screw out size.
Also can find a close to severed head screw diameter of the nut set of broken ends in place, from the nut inside the screw nut with a wrench screw out after welding as a body.
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2)
If screw section plane level or below parts and parts, can use a little on the severed head screw drill to drill a hole, a hardened steel nails into cross section is square, turn the screw out with a wrench.
Gradually lift, also can use electric welding will break when higher plane welding nut with a wrench on the screw out, also can use electric drill to screw drill out, then tapping screw hole.
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