Boy!I never figured you for someone who would give up so easily......
The advantage of the Time-Sert is it is designed to lock itself into the threaded hole. This keeps it from backing out when the bolt is removed when something needs to be replaced.The disadvantage (in some cases) of the Time-Sert is to accomplish this locking in, the thread on the outside of the insert must be quite a bit larger than a Heli-Coil made for the same internal thread.With many situations this is not a problem but when dealing with inserts in cast bosses there often isn't enough room to put the larger thread in without seriously decreasing the wall thickness.If some thread locking compound is used on the outside thread of the Heli-Coil when it is being installed, they seldom back out when the internal bolt is removed.
............... I freaking hate winter.
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