Tapping

Very often in the course of repair it is necessary to repair damaged threads or cutting a new one.

The alloy metals thread cut quite easily, since in contrast to their hardness of steel is low. If you cut the thread of a suitable size is not possible, cut the threads larger.

Recovery crumpled damaged thread or threading a new place in three stages, the thread is cut sequentially by three taps, first tap with a first number (it has one annular groove on the shank), then tap to a second number (with two annular recesses in the shank) and finally , tap a third number (with three annular grooves or without grooves). Before screwing taps should be oiled.

To when threading tap is not broke, screwing it, unscrew the back periodically for cleaning of the chips produced.