What parts does a screw extractor with a spiral groove consist of?
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Extractor head with spiral grooves
The square head allows the extractor to be attached to specific tools. Tools such as a T-handle wrench, bar wrench, adjustable wrench or vise pliers can be connected to a square head.Extractor shaft with spiral grooves
The shaft is made of carbon steel and connects the head to the flute.Extractor grooves with spiral grooves
The grooves are designed to thread counterclockwise into a screw or bolt. When the extractor is rotated counterclockwise, the conical grooves dig into the damaged screw, causing it to loosen and finally be removed.
