Home / News / Industry News / How to remove a hard-to-remove screw or bolt

How to remove a hard-to-remove screw or bolt

Update:23 Feb 2018
Summary:

Long-term unopened hydraulic cylinder, due to corrosion […]

Long-term unopened hydraulic cylinder, due to corrosion screw corrosion, thread bumps and other reasons, the screw or bolt repair is often difficult to disassemble. Correct the thread with a triangle file before the demolition, and then torch hot (do not be careful not to melt), and then pour kerosene, tap the cylinder head, the thread loosening, the general removable screws. If it is a socket head cap screw, remove it with a new, approved Allen wrench, and not with an old Allen wrench.

http://www.lwhardware.com/